diff --git a/lib/util.js b/lib/util.js
index a43a182..956b7bf 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -27,12 +27,15 @@ export const updateFiltered = (collection, query, data, multi) => {
   let i = collection.length - 1;
   loop: for (i; i >= 0; i--) {
     const c = collection[i];
+    var addThis = true;
     for (var p in query) {
-      if (p in c && c[p] == query[p]) {
-        collection[i] = merge(c, data);
-        if (!multi) {
-          break loop;
-        }
+      if (!(p in c && c[p] == query[p]))
+        addThis = false;
+    }
+    if (addThis) {
+      collection[i] = merge(c, data);
+      if (!multi) {
+        break loop;
       }
     }
   }
@@ -45,12 +48,15 @@ export const removeFiltered = (collection, query, multi) => {
   let i = collection.length - 1;
   loop: for (i; i >= 0; i--) {
     var c = collection[i];
+    var rmvThis = true;
     for (var p in query) {
-      if (p in c && c[p] == query[p]) {
-        collection.splice(i, 1);
-        if (!multi) {
-          break loop;
-        }
+      if (!(p in c && c[p] == query[p]))
+        rmvThis = false;
+    }
+    if (rmvThis) {
+      collection.splice(i, 1);
+      if (!multi) {
+        break loop;
       }
     }
   }