diff --git a/builtin-mailinfo.c b/builtin-mailinfo.c
index b99a5b6f9679061d75e9c48e2fa5877e27920dc3..f974b9df968c74c5d62d58b2a09493e6abb4322e 100644
--- a/builtin-mailinfo.c
+++ b/builtin-mailinfo.c
@@ -115,10 +115,10 @@ static void handle_from(const struct strbuf *from)
 	 * the () pair at the end.
 	 */
 	strbuf_trim(&f);
-	if (f.buf[0] == '(')
-		strbuf_remove(&name, 0, 1);
-	if (f.len && f.buf[f.len - 1] == ')')
+	if (f.buf[0] == '(' && f.len && f.buf[f.len - 1] == ')') {
+		strbuf_remove(&f, 0, 1);
 		strbuf_setlen(&f, f.len - 1);
+	}
 
 	get_sane_name(&name, &f, &email);
 	strbuf_release(&f);