diff --git a/etc/ci/performance/test_all.sh b/etc/ci/performance/test_all.sh
index e3011048207..35031da0be0 100755
--- a/etc/ci/performance/test_all.sh
+++ b/etc/ci/performance/test_all.sh
@@ -45,7 +45,7 @@ MANIFEST="page_load_test/tp5n/20160509.manifest" # A manifest that excludes
 PERF_FILE="output/perf-$(date +%s).json"
 
 echo "Running tests"
-python3 runner.py ${engine} --runs 3 --timeout "${timeout}"\
+python3 runner.py ${engine} --runs 3 --timeout "${timeout}" \
   "${MANIFEST}" "${PERF_FILE}"
 
 if [[ "${submit:-}" ]];