1 files changed, 1 insertions, 0 deletions
diff --git a/src/Fl_win32.cxx b/src/Fl_win32.cxx
index 0c2a71f7b..5823294a6 100644
--- a/src/Fl_win32.cxx
+++ b/src/Fl_win32.cxx
@@ -1154,6 +1154,7 @@ static LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lPar
     R = CreateRectRgn(0,0,0,0);
     int r = GetUpdateRgn(hWnd,R,0);
     if (r==NULLREGION && !redraw_whole_window) {
+      XDestroyRegion(R);
       break;
     }