diff --git a/middleware/packet-forward-middleware/router/ibc_middleware.go b/middleware/packet-forward-middleware/router/ibc_middleware.go
index af48531c..cca0d489 100644
--- a/middleware/packet-forward-middleware/router/ibc_middleware.go
+++ b/middleware/packet-forward-middleware/router/ibc_middleware.go
@@ -170,8 +170,8 @@ func (im IBCMiddleware) OnRecvPacket(
 
 	var data transfertypes.FungibleTokenPacketData
 	if err := transfertypes.ModuleCdc.UnmarshalJSON(packet.GetData(), &data); err != nil {
-		logger.Error("packetForwardMiddleware OnRecvPacketfailed to unmarshal packet data as FungibleTokenPacketData", "error", err)
-		return newErrorAcknowledgement(fmt.Errorf("failed to unmarshal packet data as FungibleTokenPacketData: %w", err))
+		logger.Debug(fmt.Sprintf("packetForwardMiddleware OnRecvPacket payload is not a FungibleTokenPacketData: %s", err.Error()))
+		return im.app.OnRecvPacket(ctx, packet, relayer)
 	}
 
 	logger.Debug("packetForwardMiddleware OnRecvPacket",