1 files changed, 3 insertions, 1 deletions
diff --git a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/OnMapReadyCallback.java b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/OnMapReadyCallback.java
index fc92e5028b..31b459abbd 100644
--- a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/OnMapReadyCallback.java
+++ b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/OnMapReadyCallback.java
@@ -1,5 +1,7 @@
 package com.mapbox.mapboxsdk.maps;
 
+import android.support.annotation.NonNull;
+
 /**
  * Interface definition for a callback to be invoked when the map is ready to be used.
  * <p>
@@ -16,5 +18,5 @@ public interface OnMapReadyCallback {
    * @param mapboxMap An instance of MapboxMap associated with the {@link MapFragment} or
    *                  {@link MapView} that defines the callback.
    */
-  void onMapReady(MapboxMap mapboxMap);
+  void onMapReady(@NonNull MapboxMap mapboxMap);
 }