diff --git a/src/main/java/org/prebid/server/bidder/openx/OpenxBidder.java b/src/main/java/org/prebid/server/bidder/openx/OpenxBidder.java
index f37547e90cf..09412abe65f 100644
--- a/src/main/java/org/prebid/server/bidder/openx/OpenxBidder.java
+++ b/src/main/java/org/prebid/server/bidder/openx/OpenxBidder.java
@@ -314,7 +314,12 @@ private static Map<String, BidType> impIdToBidType(BidRequest bidRequest) {
     }
 
     private static BidType getBidType(Bid bid, Map<String, BidType> impIdToBidType) {
-        return impIdToBidType.getOrDefault(bid.getImpid(), BidType.banner);
+        return switch (bid.getMtype()) {
+            case 1 -> BidType.banner;
+            case 2 -> BidType.video;
+            case 4 -> BidType.xNative;
+            case null, default -> impIdToBidType.getOrDefault(bid.getImpid(), BidType.banner);
+        };
     }
 
     private static List<ExtIgi> extractIgi(OpenxBidResponse bidResponse) {
diff --git a/src/test/java/org/prebid/server/bidder/openx/OpenxBidderTest.java b/src/test/java/org/prebid/server/bidder/openx/OpenxBidderTest.java
index 527fabb571d..461f300c051 100644
--- a/src/test/java/org/prebid/server/bidder/openx/OpenxBidderTest.java
+++ b/src/test/java/org/prebid/server/bidder/openx/OpenxBidderTest.java
@@ -466,7 +466,7 @@ public void makeHttpRequestsShouldReturnResultWithSingleBidRequestForMultiFormat
                                                 .banner(Banner.builder().w(300).h(150).build())
                                                 .xNative(Native.builder().request("{\"version\":1}").build())
                                                 .ext(mapper.valueToTree(ExtImpOpenx.builder().build()))
-                                        .build()))
+                                                .build()))
                                 .ext(jacksonMapper.fillExtension(
                                         ExtRequest.empty(),
                                         OpenxRequestExt.of(null, null, "hb_pbs_1.0.0")))
@@ -608,7 +608,7 @@ public void makeBidsShouldReturnErrorIfResponseBodyCouldNotBeParsed() {
     }
 
     @Test
-    public void makeBidsShouldReturnResultWithExpectedFields() throws JsonProcessingException {
+    public void makeBidsShouldReturnResultForBannerBidsWithExpectedFields() throws JsonProcessingException {
         // given
         final BidderCall<BidRequest> httpCall = givenHttpCall(mapper.writeValueAsString(OpenxBidResponse.builder()
                 .seatbid(singletonList(SeatBid.builder()
@@ -619,6 +619,7 @@ public void makeBidsShouldReturnResultWithExpectedFields() throws JsonProcessing
                                 .impid("impId1")
                                 .dealid("dealid")
                                 .adm("<div>This is an Ad</div>")
+                                .mtype(1)
                                 .build()))
                         .build()))
                 .cur("UAH")
@@ -654,6 +655,7 @@ public void makeBidsShouldReturnResultWithExpectedFields() throws JsonProcessing
                                 .w(200)
                                 .h(150)
                                 .adm("<div>This is an Ad</div>")
+                                .mtype(1)
                                 .build(),
                         BidType.banner, "UAH"));
         assertThat(result.getIgi()).containsExactly(igi);
@@ -670,6 +672,7 @@ public void makeBidsShouldReturnResultForNativeBidsWithExpectedFields() throws J
                                 .price(BigDecimal.ONE)
                                 .impid("impId1")
                                 .adm("{\"ver\":\"1.2\"}")
+                                .mtype(4)
                                 .build()))
                         .build()))
                 .cur("UAH")
@@ -697,6 +700,7 @@ public void makeBidsShouldReturnResultForNativeBidsWithExpectedFields() throws J
                                 .w(200)
                                 .h(150)
                                 .adm("{\"ver\":\"1.2\"}")
+                                .mtype(4)
                                 .build(),
                         BidType.xNative, "UAH"));
     }
@@ -715,6 +719,7 @@ public void makeBidsShouldReturnVideoInfoWhenAvailable() throws JsonProcessingEx
                                 .adm("<div>This is an Ad</div>")
                                 .dur(30)
                                 .cat(singletonList("category1"))
+                                .mtype(2)
                                 .build()))
                         .build()))
                 .build()));
@@ -737,6 +742,102 @@ public void makeBidsShouldReturnVideoInfoWhenAvailable() throws JsonProcessingEx
                 .containsExactly(ExtBidPrebidVideo.of(30, "category1"));
     }
 
+    @Test
+    public void makeBidsShouldReturnBidsWithTypeFromImpWhenNoMtype() throws JsonProcessingException {
+        // given
+        final BidderCall<BidRequest> httpCall = givenHttpCall(mapper.writeValueAsString(OpenxBidResponse.builder()
+                .seatbid(List.of(
+                        SeatBid.builder()
+                                .bid(singletonList(Bid.builder()
+                                        .w(200)
+                                        .h(150)
+                                        .price(BigDecimal.ONE)
+                                        .impid("impId1-banner")
+                                        .adm("<div>This is an Ad</div>")
+                                        .build()))
+                                .build(),
+                        SeatBid.builder()
+                                .bid(singletonList(Bid.builder()
+                                        .w(300)
+                                        .h(150)
+                                        .price(BigDecimal.TWO)
+                                        .impid("impId2-video")
+                                        .adm("<div>This is an Ad</div>")
+                                        .dur(15)
+                                        .build()))
+                                .build(),
+                        SeatBid.builder()
+                                .bid(singletonList(Bid.builder()
+                                        .w(150)
+                                        .h(150)
+                                        .price(BigDecimal.TEN)
+                                        .impid("impId3-native")
+                                        .adm("{\"ver\":\"1.2\"}")
+                                        .build()))
+                                .build()))
+                .cur("UAH")
+                .build()));
+
+        final BidRequest bidRequest = BidRequest.builder()
+                .id("bidRequestId")
+                .imp(List.of(
+                        Imp.builder()
+                                .id("impId1-banner")
+                                .banner(Banner.builder().build())
+                                .build(),
+                        Imp.builder()
+                                .id("impId2-video")
+                                .video(Video.builder().build())
+                                .build(),
+                        Imp.builder()
+                                .id("impId3-native")
+                                .xNative(Native.builder().build())
+                                .build()))
+                .build();
+
+        // when
+        final CompositeBidderResponse result = target.makeBidderResponse(httpCall, bidRequest);
+
+        // then
+        assertThat(result.getErrors()).isEmpty();
+        assertThat(result.getBids()).hasSize(3)
+                .contains(BidderBid.builder()
+                        .bid(Bid.builder()
+                                .impid("impId1-banner")
+                                .price(BigDecimal.ONE)
+                                .w(200)
+                                .h(150)
+                                .adm("<div>This is an Ad</div>")
+                                .build())
+                        .type(BidType.banner)
+                        .bidCurrency("UAH")
+                        .build())
+                .contains(BidderBid.builder()
+                        .bid(Bid.builder()
+                                .impid("impId2-video")
+                                .price(BigDecimal.TWO)
+                                .w(300)
+                                .h(150)
+                                .adm("<div>This is an Ad</div>")
+                                .dur(15)
+                                .build())
+                        .videoInfo(ExtBidPrebidVideo.of(15, null))
+                        .type(BidType.video)
+                        .bidCurrency("UAH")
+                        .build())
+                .contains(BidderBid.builder()
+                        .bid(Bid.builder()
+                                .impid("impId3-native")
+                                .price(BigDecimal.TEN)
+                                .w(150)
+                                .h(150)
+                                .adm("{\"ver\":\"1.2\"}")
+                                .build())
+                        .type(BidType.xNative)
+                        .bidCurrency("UAH")
+                        .build());
+    }
+
     @Test
     public void makeBidsShouldReturnFledgeConfigEvenIfNoBids() throws JsonProcessingException {
         // given
@@ -770,7 +871,59 @@ public void makeBidsShouldReturnFledgeConfigEvenIfNoBids() throws JsonProcessing
     }
 
     @Test
-    public void makeBidsShouldReturnRespectBannerImpWhenBothBannerAndVideoImpWithSameIdExist()
+    public void makeBidsShouldRespectMtypeWhenBothBannerAndVideoImpWithSameIdExist() throws JsonProcessingException {
+        // given
+        final BidderCall<BidRequest> httpCall = givenHttpCall(mapper.writeValueAsString(BidResponse.builder()
+                .seatbid(singletonList(SeatBid.builder()
+                        .bid(singletonList(Bid.builder()
+                                .w(200)
+                                .h(150)
+                                .price(BigDecimal.ONE)
+                                .impid("impId1")
+                                .dealid("dealid")
+                                .adm("<div>This is an Ad</div>")
+                                .dur(30)
+                                .cat(singletonList("category1"))
+                                .mtype(2)
+                                .build()))
+                        .build()))
+                .build()));
+
+        final BidRequest bidRequest = BidRequest.builder()
+                .id("bidRequestId")
+                .imp(singletonList(Imp.builder()
+                        .id("impId1")
+                        .video(Video.builder().build())
+                        .banner(Banner.builder().build())
+                        .build()))
+                .build();
+
+        // when
+        final CompositeBidderResponse result = target.makeBidderResponse(httpCall, bidRequest);
+
+        // then
+        assertThat(result.getErrors()).isEmpty();
+        assertThat(result.getBids()).hasSize(1)
+                .containsOnly(
+                        BidderBid.builder()
+                                .bid(Bid.builder()
+                                        .impid("impId1")
+                                        .price(BigDecimal.ONE)
+                                        .dealid("dealid")
+                                        .w(200)
+                                        .h(150)
+                                        .adm("<div>This is an Ad</div>")
+                                        .dur(30)
+                                        .cat(singletonList("category1"))
+                                        .mtype(2)
+                                        .build())
+                                .videoInfo(ExtBidPrebidVideo.of(30, "category1"))
+                                .type(BidType.video)
+                                .bidCurrency("USD").build());
+    }
+
+    @Test
+    public void makeBidsShouldRespectBannerImpWhenBothBannerAndVideoImpWithSameIdExistAndNoMtype()
             throws JsonProcessingException {
         // given
         final BidderCall<BidRequest> httpCall = givenHttpCall(mapper.writeValueAsString(BidResponse.builder()