diff --git a/esphome/components/light/base_light_effects.h b/esphome/components/light/base_light_effects.h
index f7829a3f44..9e02e889c9 100644
--- a/esphome/components/light/base_light_effects.h
+++ b/esphome/components/light/base_light_effects.h
@@ -25,7 +25,7 @@ class PulseLightEffect : public LightEffect {
       return;
     }
     auto call = this->state_->turn_on();
-    float out = this->on_ ? this->max_brightness : this->min_brightness;
+    float out = this->on_ ? this->max_brightness_ : this->min_brightness_;
     call.set_brightness_if_supported(out);
     call.set_transition_length_if_supported(this->on_ ? this->transition_on_length_ : this->transition_off_length_);
     this->on_ = !this->on_;
@@ -43,8 +43,8 @@ class PulseLightEffect : public LightEffect {
   void set_update_interval(uint32_t update_interval) { this->update_interval_ = update_interval; }
 
   void set_min_max_brightness(float min, float max) {
-    this->min_brightness = min;
-    this->max_brightness = max;
+    this->min_brightness_ = min;
+    this->max_brightness_ = max;
   }
 
  protected:
@@ -53,8 +53,8 @@ class PulseLightEffect : public LightEffect {
   uint32_t transition_on_length_{};
   uint32_t transition_off_length_{};
   uint32_t update_interval_{};
-  float min_brightness{0.0};
-  float max_brightness{1.0};
+  float min_brightness_{0.0};
+  float max_brightness_{1.0};
 };
 
 /// Random effect. Sets random colors every 10 seconds and slowly transitions between them.