diff --git a/roles/mastodon-config/tasks/main.yml b/roles/mastodon-config/tasks/main.yml
index dfe7951..c0c2ffc 100644
--- a/roles/mastodon-config/tasks/main.yml
+++ b/roles/mastodon-config/tasks/main.yml
@@ -48,6 +48,8 @@
     PATH: '/home/mastodon/.rbenv/bin:/home/mastodon/.rbenv/shims:/home/mastodon/.rbenv/plugins/ruby-build/bin:{{ ansible_env.PATH }}'
   args:
     executable: /bin/bash
+  environment:
+    SECRET_KEY_BASE: '0'
   become: true
   become_user: mastodon
 - name: Copy Mastodon .env.production the second time