diff --git a/src/viewport-three/viewport-host.ts b/src/viewport-three/viewport-host.ts
index 9e9e6b24..a9201ca8 100644
--- a/src/viewport-three/viewport-host.ts
+++ b/src/viewport-three/viewport-host.ts
@@ -3038,6 +3038,7 @@ export class ViewportHost {
 
     for (const binding of this.viewportWaterSurfaceBindings) {
       binding.reflectionRenderTarget?.setSize(width, height);
+      binding.lastReflectionUpdateTime = Number.NEGATIVE_INFINITY;
     }
   }