diff --git a/ground/src/libs/opmapcontrol/src/internals/core.cpp b/ground/src/libs/opmapcontrol/src/internals/core.cpp
index 4b6d4cbc7..84199b691 100644
--- a/ground/src/libs/opmapcontrol/src/internals/core.cpp
+++ b/ground/src/libs/opmapcontrol/src/internals/core.cpp
@@ -34,7 +34,7 @@ using namespace projections;
 
 namespace internals {
     Core::Core():MouseWheelZooming(false),currentPosition(0,0),currentPositionPixel(0,0),LastLocationInBounds(-1,-1),sizeOfMapArea(0,0)
-            ,minOfTiles(0,0),maxOfTiles(0,0),zoom(0),isDragging(false),TooltipTextPadding(10,10),loaderLimit(5),maxzoom(17),started(false)
+            ,minOfTiles(0,0),maxOfTiles(0,0),zoom(0),isDragging(false),TooltipTextPadding(10,10),loaderLimit(5),maxzoom(21),started(false)
     {
         mousewheelzoomtype=MouseWheelZoomType::MousePositionAndCenter;
         SetProjection(new MercatorProjection());
@@ -329,7 +329,7 @@ namespace internals {
                     if(Projection()->Type()!="MercatorProjection")
                     {
                         SetProjection(new MercatorProjection());
-                        maxzoom=17;
+                        maxzoom=21;
                     }
                 }
                 break;