diff --git a/weboob/tools/application/repl.py b/weboob/tools/application/repl.py
index e7fe86f1749d5f5122585176f0064e355cb452c1..913a7d7f976f97594ac3c15282f141194a60d59e 100644
--- a/weboob/tools/application/repl.py
+++ b/weboob/tools/application/repl.py
@@ -905,7 +905,7 @@ def _fetch_objects(self):
         return objects
 
     def complete_cd(self, text, line, begidx, endidx):
-        directories = ['..']
+        directories = set(['..'])
         mline = line.partition(' ')[2]
         offs = len(mline) - len(text)
 
@@ -914,7 +914,9 @@ def complete_cd(self, text, line, begidx, endidx):
 
         for obj in self.objects:
             if isinstance(obj, Collection):
-                directories.append(obj.title)
+                directories.add(obj.id)
+                if obj.title:
+                    directories.add(obj.title)
 
         return [s[offs:] for s in directories if s.startswith(mline)]