diff --git a/zio-schema-protobuf/shared/src/test/scala-2/zio/schema/codec/ProtobufCodecSpec.scala b/zio-schema-protobuf/shared/src/test/scala-2/zio/schema/codec/ProtobufCodecSpec.scala
index 8b47ee1ba..86cf194b6 100644
--- a/zio-schema-protobuf/shared/src/test/scala-2/zio/schema/codec/ProtobufCodecSpec.scala
+++ b/zio-schema-protobuf/shared/src/test/scala-2/zio/schema/codec/ProtobufCodecSpec.scala
@@ -661,9 +661,9 @@ object ProtobufCodecSpec extends ZIOSpecDefault {
       suite("Should fail to decode")(
         test("unknown wire types") {
           for {
-            d  <- decode(Record.schemaRecord, "0F")
+            d  <- decode(Record.schemaRecord, "0F").exit
             //d2 <- decodeNS(Record.schemaRecord, "0F").exit
-          } yield assert(d)(equalTo(Chunk.empty)) //&&
+          } yield assert(d)(fails(anything)) //&&
             //assert(d2)(fails(anything))
         },
         test("invalid field numbers") {
@@ -696,6 +696,9 @@ object ProtobufCodecSpec extends ZIOSpecDefault {
         }
       ),
       suite("Should fail to decode2")(
+        test("unknown wire types") {
+          assertTrue(fromHex("089601") == Chunk.empty)
+        },
         test("unknown wire types") {
           assertTrue(fromHex("0F") == Chunk.empty)
         },