diff --git a/components/custom_monochromatic/monochromatic_light_output.h b/components/custom_monochromatic/monochromatic_light_output.h
index 93119df..186f833 100644
--- a/components/custom_monochromatic/monochromatic_light_output.h
+++ b/components/custom_monochromatic/monochromatic_light_output.h
@@ -1,5 +1,6 @@
 #pragma once
 
+#include "esphome/core/log.h"
 #include "esphome/components/i2c/i2c.h"
 #include "esphome/components/light/light_output.h"
 #include "esphome/components/output/float_output.h"