diff --git a/.circleci/config.yml b/.circleci/config.yml
index c6ebd38ab..8d0e99a5c 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -46,6 +46,7 @@ jobs:
           - MARIADB_PORT_NUMBER=3307
           - MEDIAWIKI_DATABASE_USER=bn_mediawiki
           - MEDIAWIKI_DATABASE_NAME=bitnami_mediawiki
+          - MEDIAWIKI_DATABASE_PORT_NUMBER=3307
           - ALLOW_EMPTY_PASSWORD=yes
           - MEDIAWIKI_EXTERNAL_HTTP_PORT_NUMBER=8080
           - MEDIAWIKI_HOST=mediawiki