diff --git a/dlls/mshtml/editor.c b/dlls/mshtml/editor.c
index fb77ee1257e..275ba0cd7dd 100644
--- a/dlls/mshtml/editor.c
+++ b/dlls/mshtml/editor.c
@@ -1328,7 +1328,7 @@ HRESULT setup_edit_mode(HTMLDocumentObj *doc)
         if(doc->ip_window)
             call_set_active_object(doc->ip_window, &doc->basedoc.IOleInPlaceActiveObject_iface);
 
-        memset(&rcBorderWidths, 0, sizeof(rcBorderWidths));
+        SetRectEmpty(&rcBorderWidths);
         if(doc->frame)
             IOleInPlaceFrame_SetBorderSpace(doc->frame, &rcBorderWidths);
     }
diff --git a/dlls/mshtml/view.c b/dlls/mshtml/view.c
index 4470a4348ea..2a55938237b 100644
--- a/dlls/mshtml/view.c
+++ b/dlls/mshtml/view.c
@@ -650,7 +650,7 @@ static HRESULT WINAPI OleDocumentView_UIActivate(IOleDocumentView *iface, BOOL f
         if(This->doc_obj->ip_window)
             call_set_active_object(This->doc_obj->ip_window, &This->IOleInPlaceActiveObject_iface);
 
-        memset(&rcBorderWidths, 0, sizeof(rcBorderWidths));
+        SetRectEmpty(&rcBorderWidths);
         IOleInPlaceFrame_SetBorderSpace(This->doc_obj->frame, &rcBorderWidths);
 
         This->doc_obj->ui_active = TRUE;