diff --git a/meshtastic/module_config.proto b/meshtastic/module_config.proto
index a8a4307..ef08959 100644
--- a/meshtastic/module_config.proto
+++ b/meshtastic/module_config.proto
@@ -705,6 +705,11 @@ message ModuleConfig {
      * Enable/Disable the air quality telemetry measurement module on-device display
      */
     bool air_quality_screen_enabled = 15;
+
+    /*
+     * Manual Temperature offset calibration in Celsius applied to local environment telemetry before it is sent.
+     */
+    float environment_temperature_offset_c = 16;
   }
 
   /*