diff --git a/git-bisect.sh b/git-bisect.sh
index efee12b8b1e6d5..8c1da200e41e3f 100755
--- a/git-bisect.sh
+++ b/git-bisect.sh
@@ -31,6 +31,7 @@ git bisect run <cmd>...
 
 Please use "git help bisect" to get the full man page.'
 
+SUBDIRECTORY_OK=Yes
 OPTIONS_SPEC=
 . git-sh-setup