diff --git a/src/@types/search.ts b/src/@types/search.ts
index 3a6d4fdd57f..bd97e7de07a 100644
--- a/src/@types/search.ts
+++ b/src/@types/search.ts
@@ -54,9 +54,9 @@ enum GroupKey {
 }
 
 export interface IResultRoomEvents {
-    count: number;
-    highlights: string[];
-    results: ISearchResult[];
+    count?: number;
+    highlights?: string[];
+    results?: ISearchResult[];
     state?: { [roomId: string]: IStateEventWithRoomId[] };
     groups?: {
         [groupKey in GroupKey]: {
diff --git a/src/client.ts b/src/client.ts
index 72e28f52916..1e3c57783cf 100644
--- a/src/client.ts
+++ b/src/client.ts
@@ -7109,7 +7109,7 @@ export class MatrixClient extends TypedEventEmitter<EmittedEvents, ClientEventHa
         // append the new results to our existing results
         const resultsLength = roomEvents.results?.length ?? 0;
         for (let i = 0; i < resultsLength; i++) {
-            const sr = SearchResult.fromJson(roomEvents.results[i], mapper);
+            const sr = SearchResult.fromJson(roomEvents.results![i], mapper);
             const room = this.getRoom(sr.context.getEvent().getRoomId());
             if (room) {
                 // Copy over a known event sender if we can