diff --git a/stirling-pdf/docker-compose.yml b/stirling-pdf/docker-compose.yml
index 012872b..0bdb5b0 100644
--- a/stirling-pdf/docker-compose.yml
+++ b/stirling-pdf/docker-compose.yml
@@ -13,7 +13,7 @@ services:
       - DOCKER_ENABLE_SECURITY=${DOCKER_ENABLE_SECURITY}
       - SECURITY_ENABLELOGIN=${SECURITY_ENABLELOGIN}
       - LANGS=${LANGS}
-      - SHOW_SURVEY=${SHOW_SURVEY }
+      - SHOW_SURVEY=${SHOW_SURVEY}
       - DISABLE_PIXEL=${DISABLE_PIXEL}
       - SYSTEM_ENABLEANALYTICS=${SYSTEM_ENABLEANALYTICS}
     volumes: