diff --git a/dlls/comctl32/treeview.c b/dlls/comctl32/treeview.c index a7e8eeb847a23967e983f5f619b1e7ab27b56381..b15d1c117c4968a85403c53605d37d4ae131e311 100644 --- a/dlls/comctl32/treeview.c +++ b/dlls/comctl32/treeview.c @@ -2599,7 +2599,7 @@ TREEVIEW_UpdateScrollBars(TREEVIEW_INFO *infoPtr) if (vert) { si.nPage = TREEVIEW_GetVisibleCount(infoPtr); - if ( si.nPage ) + if ( si.nPage && NULL != infoPtr->firstVisible) { si.nPos = infoPtr->firstVisible->visibleOrder; si.nMax = infoPtr->maxVisibleOrder - 1;