diff --git a/corporal/data/config/corporal-rattail.conf b/corporal/data/config/corporal-rattail.conf
index 0aa6d2d..abf1f61 100644
--- a/corporal/data/config/corporal-rattail.conf
+++ b/corporal/data/config/corporal-rattail.conf
@@ -37,6 +37,7 @@ default.pool_recycle = 3600
 # TODO: this will of course depend on your location
 timezone.default = America/Chicago
 # TODO: you should change these to absolute path
+datadir = app/data
 batch.files = app/batch
 workdir = app/work