diff --git a/ietf/manage.py b/ietf/manage.py
index 01dee38fb..8ee715e0f 100755
--- a/ietf/manage.py
+++ b/ietf/manage.py
@@ -10,7 +10,10 @@ warnings.filterwarnings("ignore", message="the sha module is deprecated; use the
 
 import os
 import sys
-sys.path.insert(0, os.path.dirname(os.path.dirname(__file__)) )
+
+path = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+if not path in sys.path:
+    sys.path.insert(0, path)
 
 from django.core.management import execute_manager
 try: