diff --git a/dll/win32/windowscodecs/info.c b/dll/win32/windowscodecs/info.c
index 33d3c3030dc..0a86266396a 100644
--- a/dll/win32/windowscodecs/info.c
+++ b/dll/win32/windowscodecs/info.c
@@ -2159,7 +2159,7 @@ void ReleaseComponentInfos(void)
         IWICComponentInfo_Release(&info->IWICComponentInfo_iface);
 }
 
-HRESULT get_decoder_info(const CLSID *clsid, IWICBitmapDecoderInfo **info)
+HRESULT get_decoder_info(REFCLSID clsid, IWICBitmapDecoderInfo **info)
 {
     IWICComponentInfo *compinfo;
     HRESULT hr;