diff --git a/source/backend/plugin/NativePlugin.cpp b/source/backend/plugin/NativePlugin.cpp
index ec61ac338..9435b5606 100644
--- a/source/backend/plugin/NativePlugin.cpp
+++ b/source/backend/plugin/NativePlugin.cpp
@@ -1808,23 +1808,21 @@ protected:
     const char* handleUiOpenFile(const bool isDir, const char* const title, const char* const filter)
     {
         static CarlaString retStr;
+        QFileDialog::Options options(isDir ? QFileDialog::ShowDirsOnly : 0x0);
 
-        retStr = QFileDialog::getOpenFileName(nullptr, title, "", filter).toUtf8().constData();
+        retStr = QFileDialog::getOpenFileName(nullptr, title, "", filter, nullptr, options).toUtf8().constData();
 
         return retStr.isNotEmpty() ? (const char*)retStr : nullptr;
-
-        // TODO - isDir
     }
 
     const char* handleUiSaveFile(const bool isDir, const char* const title, const char* const filter)
     {
         static CarlaString retStr;
+        QFileDialog::Options options(isDir ? QFileDialog::ShowDirsOnly : 0x0);
 
-        retStr = QFileDialog::getSaveFileName(nullptr, title, "", filter).toUtf8().constData();
+        retStr = QFileDialog::getSaveFileName(nullptr, title, "", filter, nullptr, options).toUtf8().constData();
 
         return (const char*)retStr;
-
-        // TODO - isDir
     }
 
 public:
diff --git a/source/utils/CarlaBackendUtils.hpp b/source/utils/CarlaBackendUtils.hpp
index a659988a9..bd8d75601 100644
--- a/source/utils/CarlaBackendUtils.hpp
+++ b/source/utils/CarlaBackendUtils.hpp
@@ -275,6 +275,8 @@ const char* CallbackType2Str(const CallbackType& type)
         return "CALLBACK_PLUGIN_ADDED";
     case CALLBACK_PLUGIN_REMOVED:
         return "CALLBACK_PLUGIN_REMOVED";
+    case CALLBACK_PLUGIN_RENAMED:
+        return "CALLBACK_PLUGIN_RENAMED";
     case CALLBACK_PARAMETER_VALUE_CHANGED:
         return "CALLBACK_PARAMETER_VALUE_CHANGED";
     case CALLBACK_PARAMETER_DEFAULT_CHANGED: