1 files changed, 2 insertions, 0 deletions
diff --git a/diff-lib.c b/diff-lib.c
index f5568c3..da55713 100644
--- a/diff-lib.c
+++ b/diff-lib.c
@@ -298,6 +298,8 @@ int setup_diff_no_index(struct rev_info *revs,
 	revs->diffopt.nr_paths = 2;
 	revs->diffopt.no_index = 1;
 	revs->max_count = -2;
+	if (diff_setup_done(&revs->diffopt) < 0)
+		die("diff_setup_done failed");
 	return 0;
 }