diff --git a/scripts/unity_2019_3_5_later/UnityMessageManager.cs b/scripts/unity_2019_3_5_later/UnityMessageManager.cs
index da04746..7a0ba2b 100644
--- a/scripts/unity_2019_3_5_later/UnityMessageManager.cs
+++ b/scripts/unity_2019_3_5_later/UnityMessageManager.cs
@@ -111,7 +111,7 @@ public class UnityMessageManager : MonoBehaviour
         try
         {
             AndroidJavaClass jc = new AndroidJavaClass("com.rexraphael.flutterunitywidget.UnityUtils");
-            jc.Call("onUnityMessage", message);
+            jc.CallStatic("onUnityMessage", message);
         }
         catch (Exception e)
         {
@@ -180,4 +180,4 @@ public class UnityMessageManager : MonoBehaviour
             OnFlutterMessage(handler);
         }
     }
-}
\ No newline at end of file
+}