diff --git a/script/mirror_db.sh b/script/mirror_db.sh
index 608f20eb75..85e6693b68 100755
--- a/script/mirror_db.sh
+++ b/script/mirror_db.sh
@@ -7,7 +7,7 @@ set -e
 if hash zeus 2>/dev/null && [ -e .zeus.sock ]; then
   RAILS_RUN='zeus r'
 else
-  RAILS_RUN='rails runner'
+  RAILS_RUN='bundle exec rails runner'
 fi