Index: applications/editors/josm/plugins/buildings_tools/src/buildings_tools/DrawBuildingAction.java
===================================================================
--- applications/editors/josm/plugins/buildings_tools/src/buildings_tools/DrawBuildingAction.java	(revision 29435)
+++ applications/editors/josm/plugins/buildings_tools/src/buildings_tools/DrawBuildingAction.java	(revision 29595)
@@ -322,4 +322,6 @@
             return;
 
+        requestFocusInMapView();
+
         if (mode == Mode.None)
             drawingStart(e);