diff --git a/index.html b/index.html
index e804ffa..421a008 100644
--- a/index.html
+++ b/index.html
@@ -78,7 +78,7 @@
crc = crc | crc16(crc, mfg) << BigInt(16); // Calculate the MFG CRC
crc = ((crc >> BigInt(8)) & BigInt(0x00FF00FF)) | ((crc << BigInt(8)) & BigInt(0xFF00FF00)); // Rotate the bytes
- let password = crc.toString(16).toUpperCase().replace(/(..)(..)(..)(..)/g, '$1:$2:$3:$4'); // Format the password
+ let password = crc.toString(16).padStart(8, '0').toUpperCase().replace(/(..)(..)(..)(..)/g, '$1:$2:$3:$4'); // Format the password
return password;
}