diff --git a/app/src/main/java/de/apps4ics/mountainnavigation/MainActivity.java b/app/src/main/java/de/apps4ics/mountainnavigation/MainActivity.java
index 2e9bea4..a0015b9 100644
--- a/app/src/main/java/de/apps4ics/mountainnavigation/MainActivity.java
+++ b/app/src/main/java/de/apps4ics/mountainnavigation/MainActivity.java
@@ -133,7 +133,7 @@
         mapController.setZoom(ZOOM_LEVEL);
         mapController.setCenter(new GeoPoint(48.52, 9.055));
 
-        poiMarkers = new List[Types.SIZE];
+        poiMarkers = new ArrayList[Types.SIZE];
         for(int i=0; i<poiMarkers.length; ++i){
             poiMarkers[i] = new ArrayList<>();
         }