diff --git a/esphome/components/dynamic_lamp/dynamic_lamp.cpp b/esphome/components/dynamic_lamp/dynamic_lamp.cpp
index 55a1c4a3d6..bf80d7c7fa 100644
--- a/esphome/components/dynamic_lamp/dynamic_lamp.cpp
+++ b/esphome/components/dynamic_lamp/dynamic_lamp.cpp
@@ -85,7 +85,7 @@ void DynamicLamp::dump_config() {
   for (uint8_t i = 0; i < 16; i++) {
     if (this->available_outputs_[i].active) {
       ESP_LOGCONFIG(TAG, "Using output with id .. as output number %" PRIu8 "", i);
-      this->available_outputs_[i].output->write_state(0.256);
+      this->available_outputs_[i].output->write_state(0.256f);
     }
   }
 }