diff --git a/newznab/processing/post/ProcessAdditional.php b/newznab/processing/post/ProcessAdditional.php
index e22c3e445..912715ce7 100644
--- a/newznab/processing/post/ProcessAdditional.php
+++ b/newznab/processing/post/ProcessAdditional.php
@@ -763,7 +763,7 @@ class ProcessAdditional
 			// Check if it's a rar/zip.
 			if ($this->_NZBHasCompressedFile === false &&
 				preg_match(
-					'/\.(part0*1|part0+|r0+|r0*1|rar|0+|0*10?|zip)(\s*\.rar)*($|[ ")\]-])|"[a-f0-9]{32}\.[1-9]\d{1,2}".*\(\d+\/\d{2,}\)$/i',
+					'/\.(part0*1|part0+|r0+|r0*1|rar|0+|0*10?|zipr\d{2,3}|zipx?)(\s*\.rar)*($|[ ")\]-])|"[a-f0-9]{32}\.[1-9]\d{1,2}".*\(\d+\/\d{2,}\)$/i',
 					$this->_currentNZBFile['title']
 				)
 			) {
@@ -864,7 +864,7 @@ class ProcessAdditional
 
 			// Probably not a rar/zip.
 			if (!preg_match(
-				'/\.\b(part\d+|part00\.rar|part01\.rar|rar|r00|r01|zipr\d{2,3}|zip|zipx)($|[ ")\]-])|"[a-f0-9]{32}\.[1-9]\d{1,2}".*\(\d+\/\d{2,}\)$/i',
+				'/\.(part0*1|part0+|r0+|r0*1|rar|0+|0*10?|zipr\d{2,3}|zipx?)(\s*\.rar)*($|[ ")\]-])|"[a-f0-9]{32}\.[1-9]\d{1,2}".*\(\d+\/\d{2,}\)$/i',
 				$nzbFile['title']
 			)
 			) {