diff --git a/esphome/components/dynamic_lamp/dynamic_lamp.cpp b/esphome/components/dynamic_lamp/dynamic_lamp.cpp
index 85cb980409..e6319ef7c8 100644
--- a/esphome/components/dynamic_lamp/dynamic_lamp.cpp
+++ b/esphome/components/dynamic_lamp/dynamic_lamp.cpp
@@ -137,7 +137,7 @@ void DynamicLampComponent::add_available_output(output::FloatOutput * output, st
 void DynamicLampComponent::add_lamp(std::string name) {
   if (this->lamp_count_ < 15) {
     this->active_lamps_[this->lamp_count_].active = true;
-    memcpy(this->active_lamps_[this->lamp_count_].name, name.c_str(), 16);
+    strncpy(this->active_lamps_[this->lamp_count_].name, name.c_str(), 16);
     this->active_lamps_[this->lamp_count_].validation_byte = 'L';
     this->active_lamps_[this->lamp_count_].lamp_index = this->lamp_count_;
     this->active_lamps_[this->lamp_count_].used_outputs[0] = 0;