diff --git a/build/common/worker/docker-entrypoint.sh b/build/common/worker/docker-entrypoint.sh
index 9047ab40..56ec3a9e 100755
--- a/build/common/worker/docker-entrypoint.sh
+++ b/build/common/worker/docker-entrypoint.sh
@@ -29,7 +29,7 @@ function configureEnv() {
     fi
 
     if [[ -z "${DB_PORT}" ]]; then
-      DB_PORT=3306
+      export DB_PORT=3306
     fi
 
     export DB_HOST="${MARIADB_HOST:-$POSTGRES_HOST}"