diff --git a/detectors/cds/params/default b/detectors/cds/params/default
index f20a9aa..cffece6 100644
--- a/detectors/cds/params/default
+++ b/detectors/cds/params/default
@@ -44,7 +44,7 @@ AssignUndef PASS1_SUBMAT $ModelsDir/blosum62.mat
 # pass1: cluster selection parameters
 #
 AssignUndef PASS1_MAX_SPAN    10000
-AssignUndef PASS1_ALLOW_STOP  0
+AssignUndef PASS1_ALLOW_STOP  1
 
 #
 # extension parameters