diff --git a/esphome/components/ld2412/button/start_dynamic_background_correction_button.h b/esphome/components/ld2412/button/start_dynamic_background_correction_button.h
index 3b24f5dcf8b..cbbb33118d0 100644
--- a/esphome/components/ld2412/button/start_dynamic_background_correction_button.h
+++ b/esphome/components/ld2412/button/start_dynamic_background_correction_button.h
@@ -7,7 +7,9 @@ namespace esphome::ld2412 {
 
 class StartDynamicBackgroundCorrectionButton final : public button::Button, public Parented<LD2412Component> {
  public:
-  StartDynamicBackgroundCorrectionButton() = default;
+  // User provided, not "= default": `new(p) StartDynamicBackgroundCorrectionButton()` would zero-fill .bss that is
+  // already zero.
+  StartDynamicBackgroundCorrectionButton() {}
 
  protected:
   void press_action() override;