diff --git a/code/espurna/sensors/BaseSensor.h b/code/espurna/sensors/BaseSensor.h
index af18fbca27..55b23853be 100644
--- a/code/espurna/sensors/BaseSensor.h
+++ b/code/espurna/sensors/BaseSensor.h
@@ -190,7 +190,7 @@ class BaseSensor {
     }
 
     // Address of the sensor (it could be the GPIO or I2C address)
-    virtual String address(unsigned char index) const {
+    virtual String address(unsigned char) const {
         return String();
     }