diff --git a/reflex/components/react_player/react_player.py b/reflex/components/react_player/react_player.py
index 7ad45b093..b2c58b754 100644
--- a/reflex/components/react_player/react_player.py
+++ b/reflex/components/react_player/react_player.py
@@ -2,11 +2,22 @@
 
 from __future__ import annotations
 
+from typing_extensions import TypedDict
+
 from reflex.components.component import NoSSRComponent
 from reflex.event import EventHandler, empty_event, identity_event
 from reflex.vars.base import Var
 
 
+class Progress(TypedDict):
+    """Callback containing played and loaded progress as a fraction, and playedSeconds and loadedSeconds in seconds."""
+
+    played: float
+    playedSeconds: float
+    loaded: float
+    loadedSeconds: float
+
+
 class ReactPlayer(NoSSRComponent):
     """Using react-player and not implement all props and callback yet.
     reference: https://github.com/cookpete/react-player.
@@ -55,7 +66,7 @@ class ReactPlayer(NoSSRComponent):
     on_play: EventHandler[empty_event]
 
     # Callback containing played and loaded progress as a fraction, and playedSeconds and loadedSeconds in seconds. eg { played: 0.12, playedSeconds: 11.3, loaded: 0.34, loadedSeconds: 16.7 }
-    on_progress: EventHandler[lambda progress: [progress]]
+    on_progress: EventHandler[identity_event(Progress)]
 
     # Callback containing duration of the media, in seconds.
     on_duration: EventHandler[identity_event(float)]