diff --git a/phpseclib/Net/SSH2.php b/phpseclib/Net/SSH2.php
index 1e815e0e..7cde0875 100644
--- a/phpseclib/Net/SSH2.php
+++ b/phpseclib/Net/SSH2.php
@@ -3880,7 +3880,11 @@ class Net_SSH2
      */
     function getLastError()
     {
-        return $this->errors[count($this->errors) - 1];
+        $count = count($this->errors);
+
+        if ($count > 0) {
+            return $this->errors[$count - 1];
+        }
     }
 
     /**
diff --git a/tests/Unit/File/ASN1Test.php b/tests/Unit/File/ASN1Test.php
index 2a6c4d63..fe0e01b4 100644
--- a/tests/Unit/File/ASN1Test.php
+++ b/tests/Unit/File/ASN1Test.php
@@ -18,7 +18,7 @@ class Unit_File_ASN1Test extends PhpseclibTestCase
         $KDC_REP = array(
             'type' => FILE_ASN1_TYPE_SEQUENCE,
             'children' => array(
-                 'pvno' => array(
+                'pvno' => array(
                     'constant' => 0,
                     'optional' => true,
                     'explicit' => true,