diff --git a/phpseclib/Net/SSH2.php b/phpseclib/Net/SSH2.php
index 5ebfd422..7b3b6628 100644
--- a/phpseclib/Net/SSH2.php
+++ b/phpseclib/Net/SSH2.php
@@ -1215,7 +1215,7 @@ class SSH2
 
         $this->server_identifier = trim($temp, "\r\n");
         if (strlen($extra)) {
-            $this->errors[] = utf8_decode($data);
+            $this->errors[] = $data;
         }
 
         if (version_compare($matches[3], '1.99', '<')) {
@@ -2316,7 +2316,7 @@ class SSH2
                     return false;
                 }
                 extract(unpack('Nlength', $this->_string_shift($response, 4)));
-                $this->errors[] = 'SSH_MSG_USERAUTH_PASSWD_CHANGEREQ: ' . utf8_decode($this->_string_shift($response, $length));
+                $this->errors[] = 'SSH_MSG_USERAUTH_PASSWD_CHANGEREQ: ' . $this->_string_shift($response, $length);
                 return $this->_disconnect(NET_SSH2_DISCONNECT_AUTH_CANCELLED_BY_USER);
             case NET_SSH2_MSG_USERAUTH_FAILURE:
                 // can we use keyboard-interactive authentication?  if not then either the login is bad or the server employees
@@ -3359,7 +3359,7 @@ class SSH2
                     return false;
                 }
                 extract(unpack('Nreason_code/Nlength', $this->_string_shift($payload, 8)));
-                $this->errors[] = 'SSH_MSG_DISCONNECT: ' . $this->disconnect_reasons[$reason_code] . "\r\n" . utf8_decode($this->_string_shift($payload, $length));
+                $this->errors[] = 'SSH_MSG_DISCONNECT: ' . $this->disconnect_reasons[$reason_code] . "\r\n" . $this->_string_shift($payload, $length);
                 $this->bitmap = 0;
                 return false;
             case NET_SSH2_MSG_IGNORE:
@@ -3371,7 +3371,7 @@ class SSH2
                     return false;
                 }
                 extract(unpack('Nlength', $this->_string_shift($payload, 4)));
-                $this->errors[] = 'SSH_MSG_DEBUG: ' . utf8_decode($this->_string_shift($payload, $length));
+                $this->errors[] = 'SSH_MSG_DEBUG: ' . $this->_string_shift($payload, $length);
                 $payload = $this->_get_binary_packet($skip_channel_filter);
                 break;
             case NET_SSH2_MSG_UNIMPLEMENTED:
@@ -3394,7 +3394,7 @@ class SSH2
                 return false;
             }
             extract(unpack('Nlength', $this->_string_shift($payload, 4)));
-            $this->banner_message = utf8_decode($this->_string_shift($payload, $length));
+            $this->banner_message = $this->_string_shift($payload, $length);
             $payload = $this->_get_binary_packet();
         }