diff --git a/.circleci/config.yml b/.circleci/config.yml
index 07ab96d30..cac00d1fd 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -71,7 +71,7 @@ jobs:
       - run:
           name: Run cypress component tests
           command: |
-            TESTFILES=$(circleci tests glob cypress/component/**/*.ts | circleci tests split --split-by=timings --timings-type=filename | tr '\n' ',')
+            TESTFILES=$(circleci tests glob cypress/component/**/*.ts | circleci tests split --split-by=timings --timings-type=filename | awk '{if (NR>1) printf ","; printf "%s", $0} END {if (NR>0) printf " "}')
             npx cypress run --component \
               --spec "${TESTFILES}" \
               --reporter junit \