diff --git a/t/t4205-log-pretty-formats.sh b/t/t4205-log-pretty-formats.sh
index 5e5452212d..cb09a13249 100755
--- a/t/t4205-log-pretty-formats.sh
+++ b/t/t4205-log-pretty-formats.sh
@@ -605,6 +605,12 @@ test_expect_success 'pretty format %(trailers) shows trailers' '
 	test_cmp expect actual
 '
 
+test_expect_success 'pretty format %(trailers:) enables no options' '
+	git log --no-walk --pretty="%(trailers:)" >actual &&
+	# "expect" the same as the test above
+	test_cmp expect actual
+'
+
 test_expect_success '%(trailers:only) shows only "key: value" trailers' '
 	git log --no-walk --pretty="%(trailers:only)" >actual &&
 	{
@@ -715,7 +721,29 @@ test_expect_success '%(trailers:key=foo,valueonly) shows only value' '
 	test_cmp expect actual
 '
 
+test_expect_success '%(trailers:valueonly) shows only values' '
+	git log --no-walk --pretty="format:%(trailers:valueonly)" >actual &&
+	test_write_lines \
+		"A U Thor <author@example.com>" \
+		"A U Thor <author@example.com>" \
+		"[ v2 updated patch description ]" \
+		"A U Thor" \
+		"  <author@example.com>" >expect &&
+	test_cmp expect actual
+'
+
 test_expect_success 'pretty format %(trailers:separator) changes separator' '
+	git log --no-walk --pretty=format:"X%(trailers:separator=%x00)X" >actual &&
+	(
+		printf "XSigned-off-by: A U Thor <author@example.com>\0" &&
+		printf "Acked-by: A U Thor <author@example.com>\0" &&
+		printf "[ v2 updated patch description ]\0" &&
+		printf "Signed-off-by: A U Thor\n  <author@example.com>X"
+	) >expect &&
+	test_cmp expect actual
+'
+
+test_expect_success 'pretty format %(trailers:separator=X,unfold) changes separator' '
 	git log --no-walk --pretty=format:"X%(trailers:separator=%x00,unfold)X" >actual &&
 	(
 		printf "XSigned-off-by: A U Thor <author@example.com>\0" &&
diff --git a/trailer.c b/trailer.c
index 3f7391d793..d2d01015b1 100644
--- a/trailer.c
+++ b/trailer.c
@@ -1131,7 +1131,8 @@ static void format_trailer_info(struct strbuf *out,
 	size_t i;
 
 	/* If we want the whole block untouched, we can take the fast path. */
-	if (!opts->only_trailers && !opts->unfold && !opts->filter && !opts->separator) {
+	if (!opts->only_trailers && !opts->unfold && !opts->filter &&
+	    !opts->separator && !opts->value_only) {
 		strbuf_add(out, info->trailer_start,
 			   info->trailer_end - info->trailer_start);
 		return;