1 files changed, 4 insertions, 1 deletions
diff --git a/diff.c b/diff.c
index 22415aecee..39029cc096 100644
--- a/diff.c
+++ b/diff.c
@@ -4457,7 +4457,10 @@ static void run_external_diff(const struct external_diff *pgm,
 	diff_free_filespec_data(one);
 	diff_free_filespec_data(two);
 	cmd.use_shell = 1;
-	cmd.no_stdout = quiet;
+	if (quiet)
+		cmd.no_stdout = 1;
+	else if (o->file != stdout)
+		cmd.out = xdup(fileno(o->file));
 	rc = run_command(&cmd);
 	if (!pgm->trust_exit_code && rc == 0)
 		o->found_changes = 1;