diff --git a/base-notebook/start-singleuser.sh b/base-notebook/start-singleuser.sh
index 78054df5..644a9c54 100755
--- a/base-notebook/start-singleuser.sh
+++ b/base-notebook/start-singleuser.sh
@@ -10,7 +10,7 @@ then
     notebook_arg="--notebook-dir=${NOTEBOOK_DIR}"
 fi
 
-exec jupyterhub-singleuser \
+. /usr/local/bin/start.sh jupyterhub-singleuser \
   --port=${JPY_PORT:-8888} \
   --ip=0.0.0.0 \
   --user=$JPY_USER \