diff --git a/expose_mariadb.yml b/expose_mariadb.yml
index 0bfbed48fe92a0ad9462276837ba82b5df2c66b1..28fcd714b66fa04b7f92717f09f9c488a6228198 100644
--- a/expose_mariadb.yml
+++ b/expose_mariadb.yml
@@ -3,4 +3,4 @@ version: "3"
 services:
   mariadb:
       ports:
-          - "3306:3306"
+        - "127.0.0.1:$MARIADB_BIND_PORT:3306"