diff --git a/src/actions/echochamber_actions.py b/src/actions/echochamber_actions.py
index 232ab77b..aa1dcc84 100644
--- a/src/actions/echochamber_actions.py
+++ b/src/actions/echochamber_actions.py
@@ -17,7 +17,7 @@ def post_echochambers(agent, **kwargs):
         
         # Generate message based on room topic and tags
         previous_messages = agent.connection_manager.connections["echochambers"].sent_messages
-        previous_content = "\n".join([f"- {msg['content']}" for msg in previous_messages])
+        previous_content = "\n".join([f"- {msg.get('content', '')}" for msg in previous_messages])
         agent.logger.info(f"Found {len(previous_messages)} messages in post history")
         
         prompt  = POST_ECHOCHAMBER_PROMPT.format(
@@ -101,4 +101,4 @@ def reply_echochambers(agent, **kwargs):
                 return True
     else:
         agent.logger.info("No messages in history")
-    return False
\ No newline at end of file
+    return False