diff --git a/qtribu/constants.py b/qtribu/constants.py
index 0a476a2a..773b0f1c 100644
--- a/qtribu/constants.py
+++ b/qtribu/constants.py
@@ -204,3 +204,11 @@ def local_path(self, base_path: Path = Path().home() / ".geotribu/cdn/") -> Path
 CHEATCODE_IAMAROBOT = "iamarobot"
 CHEATCODE_10OCLOCK = "its10oclock"
 CHEATCODE_QGIS_PRO_LICENSE = "qgisprolicense"
+
+CHEATCODES = [
+    CHEATCODE_DIZZY,
+    CHEATCODE_DONTCRYBABY,
+    CHEATCODE_IAMAROBOT,
+    CHEATCODE_10OCLOCK,
+    CHEATCODE_QGIS_PRO_LICENSE,
+]
diff --git a/qtribu/gui/dck_qchat.py b/qtribu/gui/dck_qchat.py
index 658608b1..34e0022d 100644
--- a/qtribu/gui/dck_qchat.py
+++ b/qtribu/gui/dck_qchat.py
@@ -23,6 +23,7 @@
     CHEATCODE_DONTCRYBABY,
     CHEATCODE_IAMAROBOT,
     CHEATCODE_QGIS_PRO_LICENSE,
+    CHEATCODES,
     INTERNAL_MESSAGE_AUTHOR,
     QCHAT_NICKNAME_MINLENGTH,
 )
@@ -352,8 +353,13 @@ def on_ws_message_received(self, message: str) -> None:
             if activated:
                 return
 
+        # do not display cheatcodes
+        if message["message"] in CHEATCODES:
+            return
+
         # check if message mentions current user
-        if f"@{self.settings.author_nickname}" in message["message"]:
+        words = message["message"].split(" ")
+        if f"@{self.settings.author_nickname}" in words or "@all" in words:
             item = self.create_message_item(
                 self.current_room,
                 message["author"],