diff --git a/ci/test b/ci/test
index c513806..9e1f8e2 100755
--- a/ci/test
+++ b/ci/test
@@ -4,7 +4,7 @@ cd "$(dirname "$0")/.."
 . .envrc
 
 _build_and_file() {
-    file $(bazel run --color=yes --curses=yes --run_under=echo "$@") | \
+    file "$(bazel run --color=yes --curses=yes --run_under=echo "$@")" | \
         tee /dev/stderr
 }