From 8c23ebca2e2bc2b8d24e2c5bdd8622050bdb958e Mon Sep 17 00:00:00 2001
From: Donny <107092000+Donny-Guo@users.noreply.github.com>
Date: Thu, 27 Feb 2025 14:40:29 -0800
Subject: [PATCH] Fix bug

---
 client/src/wiegand_formatutils.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/client/src/wiegand_formatutils.c b/client/src/wiegand_formatutils.c
index 211207e13..9dfda9d0f 100644
--- a/client/src/wiegand_formatutils.c
+++ b/client/src/wiegand_formatutils.c
@@ -157,8 +157,8 @@ static uint8_t get_length_from_header(wiegand_message_t *data) {
         hfmt = data->Mid;
         len = 31; // remove leading 1 (preamble) in 38-64 bits format
     } else if (((data->Mid >> 5) & 1) == 1) { // bit 38 is set => 26-36bit format
-        hfmt = (((data->Mid & 31) << 12) | (data->Bot >> 26)); // get bits 27-37 to check for format len bit
-        len = 19;
+        hfmt = (((data->Mid & 31) << 6) | (data->Bot >> 26)); // get bits 27-37 to check for format len bit
+        len = 25;
     } else { // if bit 38 is not set => 37bit format
         hfmt = 0;
         len = 37;