diff --git a/rasa/core/tracker_store.py b/rasa/core/tracker_store.py
index 21ae6e7d7e9d..4319480c1809 100644
--- a/rasa/core/tracker_store.py
+++ b/rasa/core/tracker_store.py
@@ -1349,7 +1349,7 @@ async def save(self, tracker: DialogueStateTracker) -> None:
                         timestamp=timestamp,
                         intent_name=intent,
                         action_name=action,
-                        data=json.dumps(data),
+                        data=json.dumps(data, ensure_ascii=False),
                     )
                 )
             session.commit()