diff --git a/source/PluginDev/Assets/GooglePlayGames/Platforms/Android/AndroidClient.cs b/source/PluginDev/Assets/GooglePlayGames/Platforms/Android/AndroidClient.cs
index a6491a691..1c7692663 100644
--- a/source/PluginDev/Assets/GooglePlayGames/Platforms/Android/AndroidClient.cs
+++ b/source/PluginDev/Assets/GooglePlayGames/Platforms/Android/AndroidClient.cs
@@ -163,7 +163,7 @@ public void Authenticate(bool silent, Action<SignInStatus> callback)
                                         }
 
                                         mAuthState = AuthState.Authenticated;
-                                        callback(SignInStatus.Success);
+                                        InvokeCallbackOnGameThread(callback, SignInStatus.Success);
                                         GooglePlayGames.OurUtils.Logger.d("Authentication succeeded");
                                         try
                                         {