diff --git a/inbox.py b/inbox.py
index 5ea5b348f..6636535ed 100644
--- a/inbox.py
+++ b/inbox.py
@@ -2728,7 +2728,7 @@ def runInboxQueue(recentPostsCache: {}, maxRecentPosts: int,
                             checkJsonSignature = True
                         else:
                             print('unrecognised @context: ' +
-                                  originalJson['@context'])
+                                  str(originalJson['@context']))
 
         # strict enforcement of json signatures
         if verifyAllSignatures and \