diff --git a/printer_data/config/CUSTOM/m_chamber_heat.cfg b/printer_data/config/CUSTOM/m_chamber_heat.cfg
index 59ac5b7..9dc0a09 100644
--- a/printer_data/config/CUSTOM/m_chamber_heat.cfg
+++ b/printer_data/config/CUSTOM/m_chamber_heat.cfg
@@ -99,7 +99,7 @@ gcode:
     RESPOND MSG="{msg}"
     TEMPERATURE_WAIT SENSOR="{sensor}" MINIMUM={wait_temp}
 
-    {% set msg = "🎉 [CHAMBER HEAT] Chamber ready! Final temp: " ~ {wait_temp} ~ "°C" %}
+    {% set msg = "🎉 [CHAMBER HEAT] Chamber ready! Final temp: " ~ wait_temp ~ "°C" %}
     RESPOND MSG="{msg}"