diff --git a/scripts/utils.sh b/scripts/utils.sh
index 529491c3a0d5b82add1bd497b92ac2c2b1e2414b..dcb9de9469a63061a0c2e6460bb29d7359c649a9 100644
--- a/scripts/utils.sh
+++ b/scripts/utils.sh
@@ -40,7 +40,7 @@ function bundle_install_script() {
   bundle config set path 'vendor'
   bundle config set clean 'true'
 
-  echo $BUNDLE_WITHOUT
+  echo "${BUNDLE_WITHOUT}"
   bundle config
 
   run_timed_command "bundle install ${BUNDLE_INSTALL_FLAGS} ${extra_install_args} && bundle check"