diff --git a/octoprint_bambu_printer/printer/file_system/ftps_client.py b/octoprint_bambu_printer/printer/file_system/ftps_client.py
index 1f5feea..1d08548 100644
--- a/octoprint_bambu_printer/printer/file_system/ftps_client.py
+++ b/octoprint_bambu_printer/printer/file_system/ftps_client.py
@@ -117,7 +117,7 @@ class IoTFTPSConnection:
                         # But since we operate in prot p mode
                         # we can close the connection always.
                         # This is cursed but it works.
-                        if "vsFTPd" in self.welcome:
+                        if "vsFTPd" in self.ftps_session.welcome:
                             conn.unwrap()
                         else:
                             conn.shutdown(socket.SHUT_RDWR)
diff --git a/setup.py b/setup.py
index 79bddd2..427a1bd 100644
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,7 @@ plugin_package = "octoprint_bambu_printer"
 plugin_name = "OctoPrint-BambuPrinter"
 
 # The plugin's version. Can be overwritten within OctoPrint's internal data via __plugin_version__ in the plugin module
-plugin_version = "0.1.2"
+plugin_version = "0.1.3"
 
 # The plugin's description. Can be overwritten within OctoPrint's internal data via __plugin_description__ in the plugin
 # module