diff --git a/launcher/ui/MainWindow.cpp b/launcher/ui/MainWindow.cpp
index 3209f080f..d89224504 100644
--- a/launcher/ui/MainWindow.cpp
+++ b/launcher/ui/MainWindow.cpp
@@ -1041,7 +1041,7 @@ void MainWindow::processURLs(QList<QUrl> urls)
 
         auto type = ResourceUtils::identify(localFileInfo);
 
-        if (ModPlatform::ResourceTypeUtils::ValidResources.count(type) == 0) {  // probably instance/modpack
+        if (ModPlatform::ResourceTypeUtils::VALID_RESOURCES.count(type) == 0) {  // probably instance/modpack
             addInstance(localFileName, extra_info);
             continue;
         }