diff --git a/reactos/dll/win32/comctl32/comctl32_ros.diff b/reactos/dll/win32/comctl32/comctl32_ros.diff
index e703699141e..344d972cd24 100644
--- a/reactos/dll/win32/comctl32/comctl32_ros.diff
+++ b/reactos/dll/win32/comctl32/comctl32_ros.diff
@@ -111,6 +111,15 @@ Index: propsheet.c
  }
  
  /******************************************************************************
+@@ -3555,6 +3558,8 @@
+        * from which to switch to the next page */
+       SendMessageW(hwndTabCtrl, TCM_SETCURSEL, psInfo->active_page, 0);
+ 
++      PROPSHEET_UnChanged(hwnd, (HWND)wParam);
++
+       return TRUE;
+     }
+ 
 Index: tooltips.c
 ===================================================================
 --- tooltips.c	(revision 25790)
diff --git a/reactos/dll/win32/comctl32/propsheet.c b/reactos/dll/win32/comctl32/propsheet.c
index b740fff6e40..83ab8318f3b 100644
--- a/reactos/dll/win32/comctl32/propsheet.c
+++ b/reactos/dll/win32/comctl32/propsheet.c
@@ -3558,6 +3558,8 @@ PROPSHEET_DialogProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
        * from which to switch to the next page */
       SendMessageW(hwndTabCtrl, TCM_SETCURSEL, psInfo->active_page, 0);
 
+      PROPSHEET_UnChanged(hwnd, (HWND)wParam);
+
       return TRUE;
     }