diff --git a/pcbnew/zones_by_polygon_fill_functions.cpp b/pcbnew/zones_by_polygon_fill_functions.cpp
index 1c1a12322a..3d69d0da35 100644
--- a/pcbnew/zones_by_polygon_fill_functions.cpp
+++ b/pcbnew/zones_by_polygon_fill_functions.cpp
@@ -122,5 +122,12 @@ void PCB_EDIT_FRAME::Check_All_Zones( wxWindow* aActiveWindow )
     filler.SetProgressReporter( progressReporter.get() );
 
     if( filler.Fill( toFill, true ) )
+    {
         m_ZoneFillsDirty = false;
+
+        if( IsGalCanvasActive() && GetGalCanvas() )
+            GetGalCanvas()->ForceRefresh();
+
+        GetCanvas()->Refresh();
+    }
 }