diff -r 655dff5e6342 -r a54d72ee2e41 ldt/web/ldtplatform/wsgi.py
--- a/ldt/web/ldtplatform/wsgi.py	Fri Oct 19 01:32:27 2012 +0200
+++ b/ldt/web/ldtplatform/wsgi.py	Fri Oct 19 02:17:46 2012 +0200
@@ -17,7 +17,8 @@
 
 os.environ.setdefault("DJANGO_SETTINGS_MODULE", "ldtplatform.settings")
 
-sys.path.append(os.environ['PROJECT_PATH'])
+if 'PROJECT_PATH' in os.environ:
+    sys.path.append(os.environ['PROJECT_PATH'])
 for path in os.environ.get('PYTHON_PATH',"").split(os.pathsep):
     if path:
         site.addsitedir(path)