diff --git a/packages/x-components/src/x-modules/search/store/module.ts b/packages/x-components/src/x-modules/search/store/module.ts
index 1679d1f71d..6281fe371d 100644
--- a/packages/x-components/src/x-modules/search/store/module.ts
+++ b/packages/x-components/src/x-modules/search/store/module.ts
@@ -41,7 +41,7 @@ export const searchXStoreModule: SearchXStoreModule = {
   },
   mutations: {
     appendResults(state, results) {
-      state.results.push(...results);
+      state.results = [...state.results, ...results];
     },
     resetState(state) {
       Object.assign(state, resettableState());