--- catfish-git-57514efab.old/catfish/CatfishWindow.py
+++ catfish-git-57514efab/catfish/CatfishWindow.py
@@ -1300,11 +1300,9 @@
             filename = filename[0]
         if filename.endswith('.AppImage') and os.access(filename, os.X_OK):
             command = [filename]
-        elif os.path.isdir(filename) and \
-                helpers.xdg_current_desktop() == 'xfce':
-            command = ['exo-open', '--launch', 'FileManager', filename]
-        else:
-            command = ['xdg-open', filename]
+        elif os.path.isdir(filename):
+            command = ['thunar', filename]
+
         try:
             subprocess.Popen(command, shell=False)
             if self.settings.get_setting('close-after-select'):