diff --git a/esphome/components/dynamic_lamp/dynamic_lamp.cpp b/esphome/components/dynamic_lamp/dynamic_lamp.cpp
index ce460a7906..dc1597c978 100644
--- a/esphome/components/dynamic_lamp/dynamic_lamp.cpp
+++ b/esphome/components/dynamic_lamp/dynamic_lamp.cpp
@@ -100,7 +100,7 @@ void DynamicLamp::set_available_outputs(std::string output_list) {
   }
   for ( std::string s : v )
   {
-    std::string input_id{ this->trim_(s.c_str()) };
+    std::string input_id{ static_cast<std::string>(this->trim_(s.c_str())) };
     this->available_outputs_[counter] = LinkedOutput{true, input_id, counter, 0, 0, 1.0, false};
     counter++;
   }