diff --git a/ldap_locks.py b/ldap_locks.py
index 1795d64..9bda296 100644
--- a/ldap_locks.py
+++ b/ldap_locks.py
@@ -86,8 +86,8 @@ class LdapLockHolder:
         l'objet.
         """
         if Id == None:
-            for key, subdict in self.locks['default'].iteritems():
-                for item, value in subdict:
+            for key, subdict in self.locks['default'].items():
+                for item, value in subdict.items():
                     try:
                         self.removelock(item, value, key)
                     except: