diff --git a/bin/sandbox b/bin/sandbox
index 11b0a08459..f342e720dc 100755
--- a/bin/sandbox
+++ b/bin/sandbox
@@ -42,7 +42,7 @@ rm -rf ./sandbox
 
 echo "~~~> Creating a pristine Rails app"
 rails_version=`bundle exec ruby -e'require "rails"; puts Rails.version'`
-rails _${rails_version}_ new sandbox \
+bundle exec rails _${rails_version}_ new sandbox \
   --database="$RAILSDB" \
   --skip-git \
   --skip-keeps \