diff --git a/libraries/entropy/server/interfaces/main.py b/libraries/entropy/server/interfaces/main.py
index b14de154c..a826222c0 100644
--- a/libraries/entropy/server/interfaces/main.py
+++ b/libraries/entropy/server/interfaces/main.py
@@ -9,7 +9,7 @@
     B{Entropy Package Manager Server Main Interfaces}.
 
 """
-
+import sys
 import os
 import shutil
 from entropy.core import Singleton