diff --git a/lib/check_ssl_cert b/lib/check_ssl_cert
index 0af396b..3935a6d 160000
--- a/lib/check_ssl_cert
+++ b/lib/check_ssl_cert
@@ -1 +1 @@
-Subproject commit 0af396b41a5dc159e31689812bdbdd0203394cfd
+Subproject commit 3935a6d0ac8239bde3207d2a39681db0e6d517d4
diff --git a/src/Deblan/Command/CheckHttpsCertificatesCommand.php b/src/Deblan/Command/CheckHttpsCertificatesCommand.php
index 384aca7..a106c59 100644
--- a/src/Deblan/Command/CheckHttpsCertificatesCommand.php
+++ b/src/Deblan/Command/CheckHttpsCertificatesCommand.php
@@ -104,8 +104,8 @@ EOF
         ]);
         $process->run();
 
-        $whois = $process->getOutput();
-        $parser = new Parser($whois);
+        $content = $process->getOutput();
+        $parser = new Parser($content);
         $expiryDate = $parser->getExpiryDate();
 
         if ($expiryDate) {
diff --git a/src/Deblan/Parser/SslCertParser.php b/src/Deblan/Parser/SslCertParser.php
index f6f6a6a..98e943a 100644
--- a/src/Deblan/Parser/SslCertParser.php
+++ b/src/Deblan/Parser/SslCertParser.php
@@ -31,7 +31,7 @@ class SslCertParser
      */
     public function getExpiryDate(): ? \DateTime
     {
-        preg_match('/days=([^;]+);/', $this->check, $match);
+        preg_match('/expires in ([^\s]+)\s+/', $this->check, $match);
 
         if (isset($match[1])) {
             $days = (int) $match[1];