diff --git a/src/msw/ole/droptgt.cpp b/src/msw/ole/droptgt.cpp
index 897e2279dd..260ccecc8c 100644
--- a/src/msw/ole/droptgt.cpp
+++ b/src/msw/ole/droptgt.cpp
@@ -417,7 +417,7 @@ wxDataFormat wxDropTarget::GetSupportedFormat(IDataObject *pIDataSource) const
         delete [] formats;
     }
 
-    return (n < nFormats) ? (wxDataFormat) format : (wxDataFormat) wxDF_INVALID;
+    return n < nFormats ? format : wxFormatInvalid;
 }
 
 // ----------------------------------------------------------------------------