diff --git a/britney.conf b/britney.conf
index 4857c62..e6b1d4e 100644
--- a/britney.conf
+++ b/britney.conf
@@ -111,7 +111,7 @@ ADT_HUGE          = 20
 # Autopkgtest results can be used to influence the aging
 ADT_REGRESSION_PENALTY =
 ADT_SUCCESS_BOUNTY     =
-ADT_BASELINE           =
+ADT_BASELINE           = reference
 ADT_RETRY_URL_MECH     =
 ADT_RETRY_OLDER_THAN   =
 ADT_REFERENCE_MAX_AGE  =