diff --git a/builtin/checkout.c b/builtin/checkout.c
index c3647934c786b0da0caf3a9392428c95dcd60e1b..f9f7f40afbcdc717a169bcefc345ff7e462ba110 100644
--- a/builtin/checkout.c
+++ b/builtin/checkout.c
@@ -343,7 +343,7 @@ static int reset_tree(struct tree *tree, struct checkout_opts *o, int worktree)
 	opts.reset = 1;
 	opts.merge = 1;
 	opts.fn = oneway_merge;
-	opts.verbose_update = !o->quiet;
+	opts.verbose_update = !o->quiet && isatty(2);
 	opts.src_index = &the_index;
 	opts.dst_index = &the_index;
 	parse_tree(tree);
@@ -420,7 +420,7 @@ static int merge_working_tree(struct checkout_opts *opts,
 		topts.update = 1;
 		topts.merge = 1;
 		topts.gently = opts->merge && old->commit;
-		topts.verbose_update = !opts->quiet;
+		topts.verbose_update = !opts->quiet && isatty(2);
 		topts.fn = twoway_merge;
 		if (opts->overwrite_ignore) {
 			topts.dir = xcalloc(1, sizeof(*topts.dir));