diff --git a/rasa/core/events/__init__.py b/rasa/core/events/__init__.py
index 9282f1121a1d..1a3f566ad151 100644
--- a/rasa/core/events/__init__.py
+++ b/rasa/core/events/__init__.py
@@ -346,13 +346,16 @@ def apply_to(self, tracker: "DialogueStateTracker") -> None:
 
     @staticmethod
     def create_external(
-        intent_name: Text, entity_list: Optional[List[Dict[Text, Any]]] = None
+        intent_name: Text,
+        entity_list: Optional[List[Dict[Text, Any]]] = None,
+        input_channel: Optional[Text] = None,
     ) -> "UserUttered":
         return UserUttered(
             text=f"{EXTERNAL_MESSAGE_PREFIX}{intent_name}",
             intent={INTENT_NAME_KEY: intent_name},
             metadata={IS_EXTERNAL: True},
             entities=entity_list or [],
+            input_channel=input_channel,
         )
 
 
diff --git a/rasa/core/processor.py b/rasa/core/processor.py
index 1926f2c88672..b58607e80641 100644
--- a/rasa/core/processor.py
+++ b/rasa/core/processor.py
@@ -390,7 +390,11 @@ async def trigger_external_user_uttered(
                 f"Invalid entity specification: {entities}. Assuming no entities."
             )
             entity_list = []
-        tracker.update(UserUttered.create_external(intent_name, entity_list))
+        tracker.update(
+            UserUttered.create_external(
+                intent_name, entity_list, input_channel=output_channel.name()
+            )
+        )
         await self._predict_and_execute_next_action(output_channel, tracker)
         # save tracker state to continue conversation from this state
         self._save_tracker(tracker)