diff --git a/docker-compose.yml b/docker-compose.yml
index 0205b9f..3840b34 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -54,7 +54,7 @@ services:
             - "8080:80"
         environment:
             - PMA_ARBITRARY=1
-            - PMA_HOST=${MYSQL_HOST}
+            - PMA_HOST=mysql
         restart: always
         depends_on:
             - mysqldb