diff --git a/tests/fuzz/fuzz_json_decode_encode.cc b/tests/fuzz/fuzz_json_decode_encode.cc
index 21e1cbc93..7337fd073 100644
--- a/tests/fuzz/fuzz_json_decode_encode.cc
+++ b/tests/fuzz/fuzz_json_decode_encode.cc
@@ -38,12 +38,7 @@ LLVMFuzzerTestOneInput(uint8_t *data, size_t size) {
     UA_Variant value2;
     UA_Variant_init(&value2);
     retval = UA_decodeJson(&buf2, &value2, &UA_TYPES[UA_TYPES_VARIANT], NULL);
-    if(retval != UA_STATUSCODE_GOOD) {
-        UA_Variant_clear(&value);
-        UA_ByteString_clear(&buf2);
-        return 0;
-    }
-
+    UA_assert(retval == UA_STATUSCODE_GOOD);
     UA_assert(UA_order(&value, &value2, &UA_TYPES[UA_TYPES_VARIANT]) == UA_ORDER_EQ);
     UA_Variant_clear(&value);