diff --git a/client/netwrapper.py b/client/netwrapper.py
index eb082ef..3a6dff2 100644
--- a/client/netwrapper.py
+++ b/client/netwrapper.py
@@ -125,3 +125,4 @@ class NetWrapper:
             return plaintext
         except Exception:
             print("Incorrect decryption")
+            return "ERROR".encode('UTF-8')