diff --git a/devel/setup-devbox.sh b/devel/setup-devbox.sh
index 3d9fbca6..3c3b4435 100644
--- a/devel/setup-devbox.sh
+++ b/devel/setup-devbox.sh
@@ -126,6 +126,9 @@ rm $MSZ_CONFIG
 cp /vagrant/devel/misuzu/config.ini $MSZ_CONFIG
 
 # ENTER: JANK
+echo -e "==> Enable Misuzu debug mode"
+sudo -u vagrant touch /vagrant/.debug
+
 echo -e "==> Running composer install as vagrant"
 sudo -u vagrant composer install -d /vagrant