diff --git a/modules/mariadb/default.nix b/modules/mariadb/default.nix
index 93acdbc..553643a 100644
--- a/modules/mariadb/default.nix
+++ b/modules/mariadb/default.nix
@@ -3,6 +3,11 @@
   services.mysql = {
     enable = true;
     package = pkgs.mariadb;
-    bind = "172.18.0.1";
+    settings = {
+      mysqld = {
+        bind-address = "172.17.0.1";
+      };
+    };
   };
+  networking.firewall.interfaces."docker0".allowedTCPPorts = [ 3306 ];
 }