diff --git a/gstlal-inspiral/python/far.py b/gstlal-inspiral/python/far.py
index dd1a125650871895c392f869b37b3684c43f470f..33c52a19603b673b519c9e75365ab6a25f99c384 100644
--- a/gstlal-inspiral/python/far.py
+++ b/gstlal-inspiral/python/far.py
@@ -170,7 +170,7 @@ class RankingStat(snglcoinc.LnLikelihoodRatioMixin):
 		# FIXME NOTE
 		# Here we put in a penalty for single detector triggers.
 		# This is a tuned parameter.
-		lnP = 0. if len(kwargs["snrs"]) > 1 else -12.
+		lnP = 0. if len(kwargs["snrs"]) > 1 else -13.
 
 		# full ln L ranking stat.  we define the ranking statistic
 		# to be the largest ln L from all allowed subsets of