diff --git a/esphome/components/ds248x/ds248x.h b/esphome/components/ds248x/ds248x.h
index 1d4c42713c..4e0f73b4f6 100644
--- a/esphome/components/ds248x/ds248x.h
+++ b/esphome/components/ds248x/ds248x.h
@@ -5,7 +5,7 @@
 #include "esphome/components/sensor/sensor.h"
 #include "esphome/components/i2c/i2c.h"
 
-#define NBR_CHANNELS 8
+static const uint8_t NBR_CHANNELS = 8;
 
 namespace esphome {