diff --git a/docker-compose.yaml b/docker-compose.yaml
index 30fad08..92fa6c0 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -300,7 +300,7 @@ services:
       LOGGING_LEVEL_ROOT: INFO
       # Authentifizierung für WebUI
       WEBAPP_SECURITY_AUTH_BASIC_USERNAME: psiadmin
-      WEBAPP_SECURITY_AUTH_BASIC_PASSWORD: ${tiacore_admin_password}
+      WEBAPP_SECURITY_AUTH_BASIC_PASSWORD: "${tiacore_admin_password}"
     networks:
       - backend
 
@@ -319,7 +319,7 @@ services:
       LOGGING_LEVEL_ROOT: INFO
       # Authentifizierung für WebUI
       WEBAPP_SECURITY_AUTH_BASIC_USERNAME: psiadmin
-      WEBAPP_SECURITY_AUTH_BASIC_PASSWORD: ${tiacore_admin_password}
+      WEBAPP_SECURITY_AUTH_BASIC_PASSWORD: "${tiacore_admin_password}"
     networks:
       - backend