diff --git a/share/qtcreator/qmldesigner/itemLibraryQmlSources/Assets.qml b/share/qtcreator/qmldesigner/itemLibraryQmlSources/Assets.qml
index 66760b1a24d..a90dfa50f19 100644
--- a/share/qtcreator/qmldesigner/itemLibraryQmlSources/Assets.qml
+++ b/share/qtcreator/qmldesigner/itemLibraryQmlSources/Assets.qml
@@ -59,9 +59,6 @@ Item {
         var complexSuffixes = rootView.supportedAssetSuffixes(true);
         for (const u of drag.urls) {
             var url = u.toString();
-            if (url.startsWith("file:///")) // remove file scheme (happens on Windows)
-                url = url.substr(8)
-
             var ext = '*.' + url.slice(url.lastIndexOf('.') + 1).toLowerCase()
             if (simpleSuffixes.includes(ext))
                 root.dropSimpleExtFiles.push(url)
diff --git a/src/plugins/qmldesigner/components/assetslibrary/assetslibrarywidget.cpp b/src/plugins/qmldesigner/components/assetslibrary/assetslibrarywidget.cpp
index 162fadcf78c..7f7831dfbde 100644
--- a/src/plugins/qmldesigner/components/assetslibrary/assetslibrarywidget.cpp
+++ b/src/plugins/qmldesigner/components/assetslibrary/assetslibrarywidget.cpp
@@ -213,26 +213,32 @@ void AssetsLibraryWidget::handleAddAsset()
     addResources({});
 }
 
-void AssetsLibraryWidget::handleExtFilesDrop(const QStringList &simpleFilesPaths,
-                                             const QStringList &complexFilesPaths,
+void AssetsLibraryWidget::handleExtFilesDrop(const QList<QUrl> &simpleFilePaths,
+                                             const QList<QUrl> &complexFilePaths,
                                              const QString &targetDirPath)
 {
-    if (!simpleFilesPaths.isEmpty()) {
+    auto toLocalFile = [](const QUrl &url) { return url.toLocalFile(); };
+
+    QStringList simpleFilePathStrings = Utils::transform<QStringList>(simpleFilePaths, toLocalFile);
+    QStringList complexFilePathStrings = Utils::transform<QStringList>(complexFilePaths,
+                                                                       toLocalFile);
+
+    if (!simpleFilePathStrings.isEmpty()) {
         if (targetDirPath.isEmpty()) {
-            addResources(simpleFilesPaths);
+            addResources(simpleFilePathStrings);
         } else {
-            AddFilesResult result = ModelNodeOperations::addFilesToProject(simpleFilesPaths,
+            AddFilesResult result = ModelNodeOperations::addFilesToProject(simpleFilePathStrings,
                                                                            targetDirPath);
             if (result == AddFilesResult::Failed) {
                 Core::AsynchronousMessageBox::warning(tr("Failed to Add Files"),
                                                       tr("Could not add %1 to project.")
-                                                          .arg(simpleFilesPaths.join(' ')));
+                                                          .arg(simpleFilePathStrings.join(' ')));
             }
         }
     }
 
-    if (!complexFilesPaths.empty())
-        addResources(complexFilesPaths);
+    if (!complexFilePathStrings.empty())
+        addResources(complexFilePathStrings);
 }
 
 QSet<QString> AssetsLibraryWidget::supportedAssetSuffixes(bool complex)
diff --git a/src/plugins/qmldesigner/components/assetslibrary/assetslibrarywidget.h b/src/plugins/qmldesigner/components/assetslibrary/assetslibrarywidget.h
index 3128b823b3c..125755409e9 100644
--- a/src/plugins/qmldesigner/components/assetslibrary/assetslibrarywidget.h
+++ b/src/plugins/qmldesigner/components/assetslibrary/assetslibrarywidget.h
@@ -79,8 +79,8 @@ public:
     Q_INVOKABLE void startDragAsset(const QStringList &assetPaths, const QPointF &mousePos);
     Q_INVOKABLE void handleAddAsset();
     Q_INVOKABLE void handleSearchfilterChanged(const QString &filterText);
-    Q_INVOKABLE void handleExtFilesDrop(const QStringList &simpleFilesPaths,
-                                        const QStringList &complexFilesPaths,
+    Q_INVOKABLE void handleExtFilesDrop(const QList<QUrl> &simpleFilePaths,
+                                        const QList<QUrl> &complexFilePaths,
                                         const QString &targetDirPath = {});
     Q_INVOKABLE QSet<QString> supportedAssetSuffixes(bool complex);