diff --git a/base-map/src/main/java/ru/touchin/basemap/AbstractMapManager.kt b/base-map/src/main/java/ru/touchin/basemap/AbstractMapManager.kt
index bf47586..87422b1 100644
--- a/base-map/src/main/java/ru/touchin/basemap/AbstractMapManager.kt
+++ b/base-map/src/main/java/ru/touchin/basemap/AbstractMapManager.kt
@@ -46,7 +46,7 @@ abstract class AbstractMapManager<TMapView : View, TMap : Any, TLocation : Any>(
         this.mapListener = mapListener
     }
 
-    open fun onCreate(savedInstanceState: Bundle) = Unit
+    open fun onCreate(savedInstanceState: Bundle?) = Unit
 
     open fun onDestroy() = Unit
 
diff --git a/google-map/src/main/java/ru/touchin/googlemap/GoogleMapManager.kt b/google-map/src/main/java/ru/touchin/googlemap/GoogleMapManager.kt
index 424e5ab..0490609 100644
--- a/google-map/src/main/java/ru/touchin/googlemap/GoogleMapManager.kt
+++ b/google-map/src/main/java/ru/touchin/googlemap/GoogleMapManager.kt
@@ -30,7 +30,7 @@ class GoogleMapManager(mapView: MapView) : AbstractMapManager<MapView, GoogleMap
         }
     }
 
-    override fun onCreate(savedInstanceState: Bundle) {
+    override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         mapView.onCreate(savedInstanceState)
     }