diff --git a/src/internal/operators/shareReplay.ts b/src/internal/operators/shareReplay.ts
index 70ecd64984..095c7df111 100644
--- a/src/internal/operators/shareReplay.ts
+++ b/src/internal/operators/shareReplay.ts
@@ -159,10 +159,7 @@ export function shareReplay<T>(
   let bufferSize: number;
   let refCount = false;
   if (configOrBufferSize && typeof configOrBufferSize === 'object') {
-    bufferSize = configOrBufferSize.bufferSize ?? Infinity;
-    windowTime = configOrBufferSize.windowTime ?? Infinity;
-    refCount = !!configOrBufferSize.refCount;
-    scheduler = configOrBufferSize.scheduler;
+    ({ bufferSize = Infinity, windowTime = Infinity, refCount = false, scheduler } = configOrBufferSize);
   } else {
     bufferSize = configOrBufferSize ?? Infinity;
   }