diff --git a/nspanel-lovelace-ui/rootfs/usr/bin/mqtt-manager/panel.py b/nspanel-lovelace-ui/rootfs/usr/bin/mqtt-manager/panel.py
index 5c09880f..bd7c5762 100644
--- a/nspanel-lovelace-ui/rootfs/usr/bin/mqtt-manager/panel.py
+++ b/nspanel-lovelace-ui/rootfs/usr/bin/mqtt-manager/panel.py
@@ -20,7 +20,7 @@ class LovelaceUIPanel:
         self.recvTopic = self.settings["panelRecvTopic"]
         self.model = self.settings.get("model", "eu")
 
-        self.temp_unit = self.settings("temp_unit", "celsius")
+        self.temp_unit = self.settings.get("temp_unit", "celsius")
 
         self.current_card = None
         self.privious_cards = []