diff --git a/app/helpers.php b/app/helpers.php
index bd3251d..4c44878 100644
--- a/app/helpers.php
+++ b/app/helpers.php
@@ -11,11 +11,13 @@ if (! function_exists('crc16')) {
 	function crc16($data): int
 	{
 		$crc = 0x0000;
+
 		for ($i = 0; $i < strlen($data); $i++) {
 			$x = (($crc >> 8) ^ ord($data[$i])) & 0xFF;
 			$x ^= $x >> 4;
 			$crc = (($crc << 8) ^ ($x << 12) ^ ($x << 5) ^ $x) & 0xFFFF;
 		}
+
 		return $crc;
 	}
 }
@@ -121,7 +123,7 @@ if (! function_exists('timew')) {
 	}
 }
 
-if (! function_exists('dwtime')) {
+if (! function_exists('wtime')) {
 	/**
 	 * Convert a 40 bit integer into a time.
 	 * @see timew()