diff --git a/nc_password_client/nc_password_client.py b/nc_password_client/nc_password_client.py
index d658152..e609c1c 100755
--- a/nc_password_client/nc_password_client.py
+++ b/nc_password_client/nc_password_client.py
@@ -216,7 +216,7 @@ class NextcloudHandler:
     def _get_encryption_pass_from_keyring(self):
         connection = secretstorage.dbus_init()
         collection = secretstorage.get_default_collection(connection)
-        if collection.is_locked:
+        if collection.is_locked():
             collection.unlock()
         for item in collection.get_all_items():
             if item.get_label() == 'nc_password_client':