diff --git a/src/panels/config/automation/action/ha-automation-action.ts b/src/panels/config/automation/action/ha-automation-action.ts
index dcd2f3971d..af2cfe50c8 100644
--- a/src/panels/config/automation/action/ha-automation-action.ts
+++ b/src/panels/config/automation/action/ha-automation-action.ts
@@ -262,9 +262,9 @@ export default class HaAutomationAction extends LitElement {
         `ha-automation-action-${action}`
       ) as CustomElementConstructor & { defaultConfig: Action };
 
-      actions = this.actions.concat({
-        ...elClass.defaultConfig,
-      });
+      actions = this.actions.concat(
+        elClass ? { ...elClass.defaultConfig } : { [action]: {} }
+      );
     }
     this._focusLastActionOnChange = true;
     fireEvent(this, "value-changed", { value: actions });