diff --git a/src/e2ee/matrixKeyProvider.ts b/src/e2ee/matrixKeyProvider.ts
index c5f6c8797..9b190ed86 100644
--- a/src/e2ee/matrixKeyProvider.ts
+++ b/src/e2ee/matrixKeyProvider.ts
@@ -16,7 +16,7 @@ export class MatrixKeyProvider extends BaseKeyProvider {
   private rtcSession?: MatrixRTCSession;
 
   public constructor() {
-    super({ ratchetWindowSize: 0, keyringSize: 256 });
+    super({ ratchetWindowSize: 10, keyringSize: 256 });
   }
 
   public setRTCSession(rtcSession: MatrixRTCSession): void {