diff --git a/scripts/entrypoint.sh b/scripts/entrypoint.sh
index 2a540d333..f6104a525 100644
--- a/scripts/entrypoint.sh
+++ b/scripts/entrypoint.sh
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-if [ -n $DOCKER_USERNAME ] && [ -n $DOCKER_PASSWORD ]; then
+if [ -n "$DOCKER_USERNAME" ] && [ -n "$DOCKER_PASSWORD" ]; then
     echo "Login to the docker..."
     docker login -u $DOCKER_USERNAME -p $DOCKER_PASSWORD
 fi