diff --git a/octoprint_ikea_tradfri/__init__.py b/octoprint_ikea_tradfri/__init__.py
index a6fa883..fb75a10 100644
--- a/octoprint_ikea_tradfri/__init__.py
+++ b/octoprint_ikea_tradfri/__init__.py
@@ -522,7 +522,7 @@ def turnOff(self, device):
             self._logger.warn("Don't turn off outlet because printer is cancelling !")
             return
 
-        if not 'connect_palette2' in device and device['connect_palette2']:
+        if not ('connect_palette2' in device and device['connect_palette2']):
             self._printer.disconnect()
 
         self._logger.debug('stop')
diff --git a/setup.py b/setup.py
index eb68c41..cebfe5e 100644
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,7 @@
 plugin_name = "OctoPrint Ikea Tradfri"
 
 # The plugin's version. Can be overwritten within OctoPrint's internal data via __plugin_version__ in the plugin module
-plugin_version = "1.7.5-dev1"
+plugin_version = "1.7.5"
 
 
 # The plugin's description. Can be overwritten within OctoPrint's internal data via __plugin_description__ in the plugin