1 files changed, 1 insertions, 1 deletions
diff --git a/diff.c b/diff.c
index 72ce8007fd..3670206d23 100644
--- a/diff.c
+++ b/diff.c
@@ -3893,7 +3893,7 @@ static void prep_temp_blob(const char *path, struct diff_tempfile *temp,
 	temp->tempfile = mks_tempfile_ts(tempfile.buf, strlen(base) + 1);
 	if (!temp->tempfile)
 		die_errno("unable to create temp-file");
-	if (convert_to_working_tree(path,
+	if (convert_to_working_tree(&the_index, path,
 			(const char *)blob, (size_t)size, &buf)) {
 		blob = buf.buf;
 		size = buf.len;