diff --git a/webpack_loader/config.py b/webpack_loader/config.py
index 2ae9842a..9ce44feb 100644
--- a/webpack_loader/config.py
+++ b/webpack_loader/config.py
@@ -22,10 +22,11 @@
 
 user_specified_entries = getattr(settings, 'WEBPACK_LOADER', {'DEFAULT': {}})
 
-user_config = dict(
-    (name, dict(DEFAULT_CONFIG['DEFAULT'], **cfg))
+user_config = {
+    name: dict(DEFAULT_CONFIG['DEFAULT'], **cfg)
     for name, cfg in user_specified_entries.items()
-)
+}
+
 
 for entry in user_config.values():
     entry['ignores'] = [re.compile(I) for I in entry['IGNORE']]