diff --git a/iwla.py b/iwla.py
index 0647e24..a3d3bdc 100755
--- a/iwla.py
+++ b/iwla.py
@@ -34,9 +34,7 @@ from calendar import monthrange
 from datetime import date, datetime
 
 import default_conf as conf
-import conf as _
-conf.__dict__.update(_.__dict__)
-del _
+import conf as user_conf
 
 from iplugin import *
 from display import *
@@ -735,6 +733,23 @@ if __name__ == '__main__':
 
     args = parser.parse_args()
 
+    # Load user conf
+    for (k,v) in user_conf.__dict__.items():
+        if k.endswith('_append'):
+            new_k = k[:-7]
+            if new_k in dir(conf):
+                if type(conf.__dict__[new_k]) == list:
+                    if type(v) == list:
+                        conf.__dict__[new_k] += v
+                    else:
+                        conf.__dict__[new_k].append(v)
+                else:
+                    self.logger.error("%s is not a list" % (new_k))
+            else:
+                self.logger.error("%s doesn't exists in default conf" % (new_k))
+        else:
+            conf.__dict__.update({k:v})
+
     if args.clean_output:
         if os.path.exists(conf.DB_ROOT): shutil.rmtree(conf.DB_ROOT)
         if os.path.exists(conf.DISPLAY_ROOT): shutil.rmtree(conf.DISPLAY_ROOT)