1 files changed, 1 insertions, 1 deletions
diff --git a/diff.c b/diff.c
index 1bcc0818df..a06c3b070c 100644
--- a/diff.c
+++ b/diff.c
@@ -3637,7 +3637,7 @@ static void builtin_checkdiff(const char *name_a, const char *name_b,
 	data.lineno = 0;
 	data.o = o;
 	data.ws_rule = whitespace_rule(attr_path);
-	data.conflict_marker_size = ll_merge_marker_size(attr_path);
+	data.conflict_marker_size = ll_merge_marker_size(o->repo->index, attr_path);
 
 	if (fill_mmfile(o->repo, &mf1, one) < 0 ||
 	    fill_mmfile(o->repo, &mf2, two) < 0)