diff --git a/cdist/util/fsproperty.py b/cdist/util/fsproperty.py
index 797c929b..49d4a32d 100644
--- a/cdist/util/fsproperty.py
+++ b/cdist/util/fsproperty.py
@@ -135,8 +135,8 @@ class DirectoryDict(collections.MutableMapping):
         try:
             with open(os.path.join(self.path, key), "w") as fd:
                 if (not hasattr(value, 'strip') and
-                    hasattr(value, '__getitem__') or
-                    hasattr(value, '__iter__')):
+                    (hasattr(value, '__getitem__') or
+                    hasattr(value, '__iter__'))):
                     # if it looks like a sequence and quacks like a sequence,
                     # it is a sequence
                     for v in value: