diff --git a/dlls/msctf/threadmgr.c b/dlls/msctf/threadmgr.c
index 5461425a84c..3912b296eed 100644
--- a/dlls/msctf/threadmgr.c
+++ b/dlls/msctf/threadmgr.c
@@ -246,7 +246,7 @@ static HRESULT WINAPI ThreadMgr_SetFocus( ITfThreadMgr* iface, ITfDocumentMgr *p
     if (!pdimFocus || FAILED(IUnknown_QueryInterface(pdimFocus,&IID_ITfDocumentMgr,(LPVOID*) &check)))
         return E_INVALIDARG;
 
-    ITfThreadMgrEventSink_OnSetFocus((ITfThreadMgrEventSink*)&This->ThreadMgrEventSinkVtbl, This->focus, check);
+    ITfThreadMgrEventSink_OnSetFocus((ITfThreadMgrEventSink*)&This->ThreadMgrEventSinkVtbl, check, This->focus);
 
     if (This->focus)
         ITfDocumentMgr_Release(This->focus);