diff --git a/src/components/ha-combo-box.ts b/src/components/ha-combo-box.ts
index bc0153d885..4b6c9b1ed5 100644
--- a/src/components/ha-combo-box.ts
+++ b/src/components/ha-combo-box.ts
@@ -244,6 +244,7 @@ export class HaComboBox extends LitElement {
       );
 
       if (overlay) {
+        overlay.setAttribute("required-vertical-space", "0");
         this._removeInert(overlay);
       }
       this._observeBody();