diff --git a/hosts/download/youtube_com.php b/hosts/download/youtube_com.php
index 3336eced..66713c58 100644
--- a/hosts/download/youtube_com.php
+++ b/hosts/download/youtube_com.php
@@ -236,7 +236,8 @@ private function getCipher() {
 			//if (($spos = strpos($this->playerJs, '.sig||')) === false) $this->decError('Not found (".sig||")');
 			//if (($cut1 = cut_str(substr($this->playerJs, $spos), '{', '}')) == false) $this->decError('Cannot get inner content of "if(X.sig||X.s)"');
 			$v = '[\$_A-Za-z][\$\w]*';
-			if (!preg_match("@(?:\.sig\|\||\.set\(\"signature\",|\|\"signature\",|$v\.sp,)(?:\(0,$v(?:\.$v)*\)\()?($v)\((?:\(0,$v(?:\.$v)*\)\()?$v\.s\)@", $this->playerJs, $fn)) $this->decError('Cannot get decoder function name');
+			$v3 = '[\$_A-Za-z][\$\w]{3,}';
+			if (!preg_match("@(?:\.sig\|\||\.set\(\"signature\",|\|\"signature\",|$v\.sp,)(?:\(0,$v(?:\.$v)*\)\(|$v3\()?($v)\((?:\(0,$v(?:\.$v)*\)\(|$v3\()?$v\.s\)@", $this->playerJs, $fn)) $this->decError('Cannot get decoder function name');
 			$fn = preg_quote($fn[1], '@');
 			if (!preg_match("@(?:function\s+$fn\s*\(|var\s+$fn\s*=\s*function\s*\(|(?<=(?:{|,|;))\s*$fn\s*=\s*function\s*\()@", $this->playerJs, $fpos, PREG_OFFSET_CAPTURE)) $this->decError('Cannot find decoder function');
 			$fpos = $fpos[0][1];
@@ -354,4 +355,4 @@ private function QSelector() {
 // [30-8-2016]  Fixed slow speed while downloading DASH streams. - Th3-822
 // [30-4-2017]  Fixed signature decoding functions. - Th3-822
 // [25-1-2018]  Fixed get_video_info. - Th3-822
-// [09-11-2018]  Fixed signature decoding functions. - Th3-822
\ No newline at end of file
+// [03-2-2019]  Fixed signature decoding functions. - Th3-822
\ No newline at end of file