diff --git a/reactos/subsys/win32k/ntuser/windc.c b/reactos/subsys/win32k/ntuser/windc.c
index 9426bd2cba9..e7500f7434a 100644
--- a/reactos/subsys/win32k/ntuser/windc.c
+++ b/reactos/subsys/win32k/ntuser/windc.c
@@ -782,7 +782,9 @@ DceResetActiveDCEs(PWINDOW_OBJECT Window)
             }
             if (NULL != dc->w.hClipRgn)
             {
+               int FASTCALL CLIPPING_UpdateGCRegion(DC* Dc);
                NtGdiOffsetRgn(dc->w.hClipRgn, DeltaX, DeltaY);
+               CLIPPING_UpdateGCRegion(dc);
             }
             if (NULL != pDCE->hClipRgn)
             {
diff --git a/reactos/subsys/win32k/objects/cliprgn.c b/reactos/subsys/win32k/objects/cliprgn.c
index 21487394d92..3e8c047c767 100644
--- a/reactos/subsys/win32k/objects/cliprgn.c
+++ b/reactos/subsys/win32k/objects/cliprgn.c
@@ -348,6 +348,7 @@ int STDCALL NtGdiOffsetClipRgn(HDC  hDC,
     Result = NtGdiOffsetRgn(dc->w.hClipRgn,
                             XOffset,
                             YOffset);
+    CLIPPING_UpdateGCRegion(dc);
   }
   else
   {