diff --git a/.circleci/config.yml b/.circleci/config.yml
index 453bb9cda..efe33a947 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -19,7 +19,7 @@ jobs:
         name: Run Test Units
         command: |
           set -e
-          find tests/ -name "*Test*.php"
+          find tests/ -name "*Test*.php" > tests.list
           input="tests.list"
           while IFS= read -r line
           do