diff --git a/update.py b/update.py
index 45bf343..ecf28dc 100644
--- a/update.py
+++ b/update.py
@@ -38,12 +38,12 @@ class Updater:
         print("Start Configure")
         self.update_config()
 
-        if self.is_source_exists(self.args.source):
+        if hasattr(self.args, 'source') && self.is_source_exists(self.args.source):
             print("Start source update" + self.args.source)
             self.parse_source(self.args.source)
             return
 		
-        for source in self.args.source:
+        for source in config.get_sources_list():
             print("Start source update" + source)
             self.parse_source(source)