diff --git a/posts.py b/posts.py
index 14d60988..f79f74cd 100644
--- a/posts.py
+++ b/posts.py
@@ -1944,8 +1944,10 @@ def createSharedInboxIndex(baseDir: str,sharedBoxDir: str, \
             continue
 
         actorNickname=getNicknameFromActor(postJsonObject['actor'])
+        if not actorNickname:
+            continue
         actorDomain,actorPort=getDomainFromActor(postJsonObject['actor'])
-        if not (actorNickname and actorDomain):
+        if not actorDomain:
             continue
 
         # is the actor followed by this account?