diff --git a/util.c b/util.c
index 171031041..29aff9ef8 100644
--- a/util.c
+++ b/util.c
@@ -720,7 +720,8 @@ static bool bech32_decode(char *hrp, uint8_t *data, size_t *data_len, const char
 	if (have_lower && have_upper) {
 		return false;
 	}
-	return chk == 1;
+	// bech32 or bech32m (BIP 350)
+	return chk == 1 || chk == 0x2bc830a3;
 }
 
 static bool convert_bits(uint8_t *out, size_t *outlen, int outbits, const uint8_t *in, size_t inlen, int inbits, int pad) {