diff --git a/src/vpoller/client.py b/src/vpoller/client.py
index 7a787f1..3af88d2 100644
--- a/src/vpoller/client.py
+++ b/src/vpoller/client.py
@@ -127,7 +127,7 @@ def run(self, msg):
         # Did we have any result reply at all?
         if not result:
             logging.error("Did not receive a reply from the server, aborting...")
-            return { "success": -1, "msg": "Did not receive reply from the server, aborting..." }
+            return '{ "success": -1, "msg": "Did not receive reply from the server, aborting..." }'
 
         logging.debug('Received reply was: %s', result)