diff --git a/src/Connection.php b/src/Connection.php
index 0196231..661a361 100644
--- a/src/Connection.php
+++ b/src/Connection.php
@@ -34,10 +34,14 @@ public function write($input) {
 		parent::write($input . PHP_EOL);
 	}
 
+	/**
+	 * @throws ConnectException
+	 */
 	public function clearTillPrompt() {
 		$this->write('');
 		do {
 			$promptLine = $this->readLine();
+			$this->parser->checkConnectionError($promptLine);
 		} while (!$this->isPrompt($promptLine));
 		$this->write('');
 		$this->readLine();
diff --git a/src/Parser.php b/src/Parser.php
index 30dce39..a300321 100644
--- a/src/Parser.php
+++ b/src/Parser.php
@@ -81,6 +81,7 @@ public function checkForError($output, $path) {
 	 * @throws AuthenticationException
 	 * @throws InvalidHostException
 	 * @throws NoLoginServerException
+	 * @throws AccessDeniedException
 	 */
 	public function checkConnectionError($line) {
 		$line = rtrim($line, ')');
@@ -99,6 +100,9 @@ public function checkConnectionError($line) {
 		if (substr($line, -26) === ErrorCodes::NoLogonServers) {
 			throw new NoLoginServerException('No login server');
 		}
+		if (substr($line, -23) === ErrorCodes::AccessDenied) {
+			throw new AccessDeniedException('Access denied');
+		}
 	}
 
 	public function parseMode($mode) {