diff --git a/packages/viewer/src/modules/pipeline/Pipeline.ts b/packages/viewer/src/modules/pipeline/Pipeline.ts
index 8257944e4..02ea0fe40 100644
--- a/packages/viewer/src/modules/pipeline/Pipeline.ts
+++ b/packages/viewer/src/modules/pipeline/Pipeline.ts
@@ -309,6 +309,7 @@ export class Pipeline {
 
   public resize(width: number, height: number) {
     this.composer.setSize(width, height)
+    this.accumulationFrame = 0
   }
 
   public onStationaryBegin() {