diff --git a/circle.yml b/circle.yml
index 85ec870f5eb..8c369f82a93 100644
--- a/circle.yml
+++ b/circle.yml
@@ -74,7 +74,7 @@ test:
   override:
     - export GCLOUD_PROJECT=nodejs-docs-samples-tests && functions-emulator start && cd functions/datastore && npm test && functions-emulator stop
     # Only run if the PR is not coming from a fork.
-    - if [[-z $CIRCLE_PR_USERNAME ]] ; then functions-emulator start && cd functions/helloworld && npm test && functions-emulator stop; fi
+    - if [[ -z $CIRCLE_PR_USERNAME ]] ; then functions-emulator start && cd functions/helloworld && npm test && functions-emulator stop; fi
     - samples test run --cmd nyc -- --cache ava --verbose -T 30s 'functions/background/test/**/*.test.js'
     - samples test run --cmd nyc -- --cache ava --verbose -T 30s 'functions/concepts/test/**/*.test.js'
     - samples test run --cmd nyc -- --cache ava --verbose -T 30s 'functions/gcs/test/**/*.test.js'