diff --git a/sdk/include/psdk/shlwapi.h b/sdk/include/psdk/shlwapi.h
index aac7061c01e..c1430aafebe 100644
--- a/sdk/include/psdk/shlwapi.h
+++ b/sdk/include/psdk/shlwapi.h
@@ -1567,8 +1567,8 @@ LPSTR WINAPI StrDupA(_In_ LPCSTR);
 LPWSTR WINAPI StrDupW(_In_ LPCWSTR);
 #define StrDup WINELIB_NAME_AW(StrDup)
 
-HRESULT WINAPI SHStrDupA(_In_ LPCSTR, _Outptr_ WCHAR**);
-HRESULT WINAPI SHStrDupW(_In_ LPCWSTR, _Outptr_ WCHAR**);
+HRESULT WINAPI SHStrDupA(_In_ LPCSTR psz, _Outptr_ WCHAR** ppwsz);
+HRESULT WINAPI SHStrDupW(_In_ LPCWSTR psz, _Outptr_ WCHAR** ppwsz);
 #define SHStrDup WINELIB_NAME_AW(SHStrDup)
 
 LPSTR