diff --git a/.circleci/config.yml b/.circleci/config.yml
index d70d2b750..bdbc06fbc 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -189,7 +189,7 @@ workflows:
           # the following should make this only run on pull requests
           filters:
             branches:
-              ignore: /.*/
+              only: /^pull\/.*$/
       - test-build-arm:
           requires:
             - setup