diff --git a/phpseclib/Net/SFTP.php b/phpseclib/Net/SFTP.php
index cad3dc339..7ec705604 100644
--- a/phpseclib/Net/SFTP.php
+++ b/phpseclib/Net/SFTP.php
@@ -347,7 +347,7 @@ private function precheck(): bool
      */
     private function partial_init_sftp_connection(): bool
     {
-        $response = $this->openChannel(self::CHANNEL, true);
+        $response = $this->open_channel(self::CHANNEL, true);
         if ($response === true && $this->isTimeout()) {
             return false;
         }
diff --git a/phpseclib/Net/SSH2.php b/phpseclib/Net/SSH2.php
index 157194791..4fe89b4b0 100644
--- a/phpseclib/Net/SSH2.php
+++ b/phpseclib/Net/SSH2.php
@@ -2540,7 +2540,7 @@ public function exec(string $command, callable $callback = null)
         //    throw new RuntimeException('If you want to run multiple exec()\'s you will need to disable (and re-enable if appropriate) a PTY for each one.');
         //}
 
-        $this->openChannel(self::CHANNEL_EXEC);
+        $this->open_channel(self::CHANNEL_EXEC);
 
         if ($this->request_pty === true) {
             $terminal_modes = pack('C', TerminalMode::TTY_OP_END);
@@ -2633,7 +2633,7 @@ public function getOpenChannelCount()
     /**
      * Opens a channel
      */
-    protected function openChannel(int $channel, bool $skip_extended = false): bool
+    protected function open_channel(int $channel, bool $skip_extended = false): bool
     {
         if (isset($this->channel_status[$channel]) && $this->channel_status[$channel] != MessageType::CHANNEL_CLOSE) {
             throw new RuntimeException('Please close the channel (' . $channel . ') before trying to open it again');
@@ -2689,7 +2689,7 @@ public function openShell(): bool
             throw new InsufficientSetupException('Operation disallowed prior to login()');
         }
 
-        $this->openChannel(self::CHANNEL_SHELL);
+        $this->open_channel(self::CHANNEL_SHELL);
 
         $terminal_modes = pack('C', TerminalMode::TTY_OP_END);
         $packet = Strings::packSSH2(
@@ -2926,7 +2926,7 @@ public function write(string $cmd, int $channel = null): void
      */
     public function startSubsystem(string $subsystem): bool
     {
-        $this->openChannel(self::CHANNEL_SUBSYSTEM);
+        $this->open_channel(self::CHANNEL_SUBSYSTEM);
 
         $packet = Strings::packSSH2(
             'CNsCs',
@@ -3048,7 +3048,7 @@ public function isConnected(int $level = 0): bool
             if ($level == 1) {
                 $this->send_binary_packet(pack('CN', NET_SSH2_MSG_IGNORE, 0));
             } else {
-                $this->openChannel(self::CHANNEL_KEEP_ALIVE);
+                $this->open_channel(self::CHANNEL_KEEP_ALIVE);
                 $this->close_channel(self::CHANNEL_KEEP_ALIVE);
             }
             return true;
@@ -3117,7 +3117,7 @@ public function ping(): bool
         }
 
         try {
-            $this->openChannel(self::CHANNEL_KEEP_ALIVE);
+            $this->open_channel(self::CHANNEL_KEEP_ALIVE);
         } catch (\RuntimeException $e) {
             return $this->reconnect();
         }