diff --git a/pretalx-docker/pretalx.cfg.jinja b/pretalx-docker/pretalx.cfg.jinja
index 656a97f..d601988 100644
--- a/pretalx-docker/pretalx.cfg.jinja
+++ b/pretalx-docker/pretalx.cfg.jinja
@@ -3,7 +3,7 @@ debug = {{ salt['pillar.get']('pretalx:site:debug', 'False') }}
 url = {{ salt['pillar.get']('pretalx:site:url', 'https://pretalx.mydomain.com') }}
 
 [database]
-backend = {{ salt['pillar.get']('pretalx:database:backend', 'sqlite') }}
+backend = {{ salt['pillar.get']('pretalx:database:backend', 'sqlite3') }}
 name = {{ salt['pillar.get']('pretalx:database:name', '') }}
 user = {{ salt['pillar.get']('pretalx:database:user', '') }}
 password = {{ salt['pillar.get']('pretalx:database:password', '') }}