diff --git a/docker-compose.yaml b/docker-compose.yaml
index c12db6d..d251dac 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -3,7 +3,7 @@ services:
   lms:
     image: lmscommunity/logitechmediaserver:stable
     environment:
-      - HTTP_PORT: 9002
+      HTTP_PORT: "9002"
     volumes:
       - config:/config
       - music:/music