diff --git a/tests/image.bats b/tests/image.bats
index db6dfb8..1b92493 100644
--- a/tests/image.bats
+++ b/tests/image.bats
@@ -8,4 +8,8 @@ load ../common
 
 @test "MariaDB service available" {
   docker run -i $maintainer/$imagename find /usr/lib/systemd/system/mariadb.service
-}
\ No newline at end of file
+}
+
+@test "MariaDB service is listening on port 3306" {
+  docker exec -it $imagename netstat -tulpn | grep :3306
+}