diff --git a/start.sh b/start.sh
index 01a29f9..d5ee7a1 100755
--- a/start.sh
+++ b/start.sh
@@ -21,7 +21,7 @@ fi
 pip install --upgrade setuptools
 pip install --upgrade pip
 pip install --upgrade pyOpenSSL ndg-httpsclient requests pyasn1
-sed -i 's/^MAX = 64/MAX = 200/' $VENV/lib/python*/site-packages/ndg/httpsclient/subj_alt_name.py
+sed -i 's/^MAX = 64/MAX = 200/' $VIRTUAL_ENV/lib/python*/site-packages/ndg/httpsclient/subj_alt_name.py
 pip install --upgrade --process-dependency-links -r requirements.txt
 if [ ! -f $PROJECT.db ]; then
 	./$CTL syncdb --migrate --noinput --no-initial-data