diff --git a/phpseclib/Net/SFTP.php b/phpseclib/Net/SFTP.php
index 8ae43fa0..8ad031e1 100644
--- a/phpseclib/Net/SFTP.php
+++ b/phpseclib/Net/SFTP.php
@@ -3004,9 +3004,17 @@ class SFTP extends SSH2
             $packet_type = '-> ' . $this->packet_types[$type] .
                            ' (' . round($stop - $start, 4) . 's)';
             if (NET_SFTP_LOGGING == self::LOG_REALTIME) {
-                echo "<pre>\r\n" . $this->_format_log(array($data), array($packet_type)) . "\r\n</pre>\r\n";
-                flush();
-                ob_flush();
+                switch (PHP_SAPI) {
+                    case 'cli':
+                        $start = $stop = "\r\n";
+                        break;
+                    default:
+                        $start = '<pre>';
+                        $stop = '</pre>';
+                }
+                echo $start . $this->_format_log(array($data), array($packet_type)) . $stop;
+                @flush();
+                @ob_flush();
             } else {
                 $this->packet_type_log[] = $packet_type;
                 if (NET_SFTP_LOGGING == self::LOG_COMPLEX) {
@@ -3113,9 +3121,17 @@ class SFTP extends SSH2
             $packet_type = '<- ' . $this->packet_types[$this->packet_type] .
                            ' (' . round($stop - $start, 4) . 's)';
             if (NET_SFTP_LOGGING == self::LOG_REALTIME) {
-                echo "<pre>\r\n" . $this->_format_log(array($packet), array($packet_type)) . "\r\n</pre>\r\n";
-                flush();
-                ob_flush();
+                switch (PHP_SAPI) {
+                    case 'cli':
+                        $start = $stop = "\r\n";
+                        break;
+                    default:
+                        $start = '<pre>';
+                        $stop = '</pre>';
+                }
+                echo $start . $this->_format_log(array($packet), array($packet_type)) . $stop;
+                @flush();
+                @ob_flush();
             } else {
                 $this->packet_type_log[] = $packet_type;
                 if (NET_SFTP_LOGGING == self::LOG_COMPLEX) {