diff --git a/win32ss/user/ntuser/scrollbar.c b/win32ss/user/ntuser/scrollbar.c
index 359bc923f5..8f3a0e6cb6 100644
--- a/win32ss/user/ntuser/scrollbar.c
+++ b/win32ss/user/ntuser/scrollbar.c
@@ -686,7 +686,8 @@ co_IntSetScrollInfo(PWND Window, INT nBar, LPCSCROLLINFO lpsi, BOOL bRedraw)
                   UpdateRect.bottom -= psbi->dxyLineButton;
                }
             }
-            co_UserRedrawWindow(Window, &UpdateRect, 0, RDW_INVALIDATE | RDW_FRAME);
+            if ((nBar == SB_HORZ) || (nBar == SB_VERT))
+               co_UserRedrawWindow(Window, &UpdateRect, 0, RDW_INVALIDATE | RDW_FRAME);
          }
       } // FIXME: Arrows
 /*      else if( action & SA_SSI_REPAINT_ARROWS )