diff --git a/rpc-server.go b/rpc-server.go
index 6eeadb4..ef9d419 100644
--- a/rpc-server.go
+++ b/rpc-server.go
@@ -48,7 +48,9 @@ func (h *GrainHandler) RemoteHandleMessageHandler(data *FrameWithPayload, result
 	}
 
 	replyData, err := h.pool.Process(cartData.Id, msg)
-
+	if err != nil {
+		return err
+	}
 	resultChan <- *replyData
 	return err
 }