diff --git a/gstlal-inspiral/python/streamthinca.py b/gstlal-inspiral/python/streamthinca.py
index 4c0c594128deacdf0ca213081fc8fcd88efa3f7d..e0b2794056d51708c035a5481c8ee41754bed289 100644
--- a/gstlal-inspiral/python/streamthinca.py
+++ b/gstlal-inspiral/python/streamthinca.py
@@ -41,7 +41,7 @@
 #
 
 
-from bisect import bisect_right
+from bisect import bisect_left
 import time