diff --git a/examples/docker-compose/notebook/up.sh b/examples/docker-compose/notebook/up.sh
index cd1d1ac3..c02ed3a2 100755
--- a/examples/docker-compose/notebook/up.sh
+++ b/examples/docker-compose/notebook/up.sh
@@ -53,7 +53,7 @@ if [[ "${LETSENCRYPT}" == yes || "${SECURE}" == yes ]]; then
     fi
     export PORT=${PORT:=443}
 else
-    CONFIG="notebook.yml"
+    CONFIG=notebook.yml
     export PORT=${PORT:=80}
 fi