1 files changed, 3 insertions, 1 deletions
diff --git a/diff.c b/diff.c
index e21af3b7e..50277b82b 100644
--- a/diff.c
+++ b/diff.c
@@ -1376,7 +1376,9 @@ static void builtin_diff(const char *name_a,
 		 */
 		if ((one->mode ^ two->mode) & S_IFMT)
 			goto free_ab_and_return;
-		if (complete_rewrite) {
+		if (complete_rewrite &&
+		    !diff_filespec_is_binary(one) &&
+		    !diff_filespec_is_binary(two)) {
 			emit_rewrite_diff(name_a, name_b, one, two, o);
 			o->found_changes = 1;
 			goto free_ab_and_return;