diff --git a/scripts/generate_chat_info.py b/scripts/generate_chat_info.py
index e63952e..63a7b3a 100644
--- a/scripts/generate_chat_info.py
+++ b/scripts/generate_chat_info.py
@@ -41,12 +41,13 @@ def main():
             
             print("Check messages for channels {}".format(channel['name']))
             messages = rocket.channels_history(channel["_id"], oldest= recent_date, count= 10000).json()
-            if messages["success"]:
-                nbMessages = len(messages["messages"])
+            if messages["success"]:  
+                messages = list(filter(lambda message: "t" not in message, messages["messages"]))        
+                nbMessages = len(messages)
                 messages_recent += nbMessages
                 if (channel["name"] != "general") and (channel["name"] != "accueil"):
                     channels_list.append((channel["name"], nbMessages))
-                users.extend(map(lambda message: message["u"]["_id"], messages["messages"]))
+                users.extend(map(lambda message: message["u"]["_id"], messages))
             else:
                 print("Error : {}".format(messages["error"]))