diff --git a/src/viewport-three/viewport-host.ts b/src/viewport-three/viewport-host.ts
index 6cb00037..dd18b889 100644
--- a/src/viewport-three/viewport-host.ts
+++ b/src/viewport-three/viewport-host.ts
@@ -10036,6 +10036,7 @@ export class ViewportHost {
     }
 
     this.terrainRenderObjects.clear();
+    this.terrainRenderRevisions.clear();
   }
 
   private clearEntityMarkers() {