diff --git a/dlls/shdocvw/client.c b/dlls/shdocvw/client.c
index 34431704a8f..729669ba0f7 100644
--- a/dlls/shdocvw/client.c
+++ b/dlls/shdocvw/client.c
@@ -230,7 +230,6 @@ static HRESULT WINAPI InPlaceSite_GetWindowContext(IOleInPlaceSite *iface,
     GetClientRect(This->hwnd, lprcPosRect);
     *lprcClipRect = *lprcPosRect;
 
-    lpFrameInfo->cb = sizeof(*lpFrameInfo);
     lpFrameInfo->fMDIApp = FALSE;
     lpFrameInfo->hwndFrame = This->frame_hwnd;
     lpFrameInfo->haccel = NULL;
diff --git a/dlls/shdocvw/oleobject.c b/dlls/shdocvw/oleobject.c
index 97fbfaa8b2d..df06028a580 100644
--- a/dlls/shdocvw/oleobject.c
+++ b/dlls/shdocvw/oleobject.c
@@ -141,6 +141,7 @@ static HRESULT activate_inplace(WebBrowser *This, IOleClientSite *active_site)
 
     IOleInPlaceSite_OnInPlaceActivate(This->inplace);
 
+    This->frameinfo.cb = sizeof(OLEINPLACEFRAMEINFO);
     IOleInPlaceSite_GetWindowContext(This->inplace, &This->doc_host.frame, &This->uiwindow,
                                      &This->pos_rect, &This->clip_rect,
                                      &This->frameinfo);
diff --git a/dlls/shdocvw/tests/webbrowser.c b/dlls/shdocvw/tests/webbrowser.c
index e433b139935..06d0ded9b89 100644
--- a/dlls/shdocvw/tests/webbrowser.c
+++ b/dlls/shdocvw/tests/webbrowser.c
@@ -1275,7 +1275,7 @@ static HRESULT WINAPI InPlaceSite_GetWindowContext(IOleInPlaceSiteEx *iface,
 
     ok(lpFrameInfo != NULL, "lpFrameInfo = NULL\n");
     if(lpFrameInfo) {
-        lpFrameInfo->cb = sizeof(*lpFrameInfo);
+        ok(lpFrameInfo->cb == sizeof(*lpFrameInfo), "lpFrameInfo->cb = %u, expected %u\n", lpFrameInfo->cb, (unsigned)sizeof(*lpFrameInfo));
         lpFrameInfo->fMDIApp = FALSE;
         lpFrameInfo->hwndFrame = container_hwnd;
         lpFrameInfo->haccel = NULL;