diff --git a/conf/docker-entrypoint.sh b/conf/docker-entrypoint.sh
index 9bee729..593537c 100644
--- a/conf/docker-entrypoint.sh
+++ b/conf/docker-entrypoint.sh
@@ -2,7 +2,7 @@
 set -e
 
 # AZ AppService allows SSH into a App instance.
-if [ $MA_OTAP_ENV = "test" ]
+if [ "$MA_OTAP_ENV" = "test" ]
 then
     echo "Starting SSH ..."
     service ssh start