diff --git a/.travis.yml b/.travis.yml
index 8b8ed821e..27769de35 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -37,6 +37,7 @@ matrix:
         - DB=PGSQL
         - PHPUNIT_TEST=framework
     - php: 7.1
+      if: type IN (cron)
       env:
         - DB=MYSQL
         - PDO=1