diff --git a/esphome/nspanel_esphome_core.yaml b/esphome/nspanel_esphome_core.yaml
index c23a7fc..9938c6f 100644
--- a/esphome/nspanel_esphome_core.yaml
+++ b/esphome/nspanel_esphome_core.yaml
@@ -848,7 +848,7 @@ globals:
   - id: mui_decimal_separator
     type: char
     restore_value: true
-    initial_value: '.'
+    initial_value: "'.'"
 
   ###### Buttons settings ######
   # Bit # Settings             #