diff --git a/src/viewport-three/viewport-host.ts b/src/viewport-three/viewport-host.ts
index 85d20c0f..b8066e6f 100644
--- a/src/viewport-three/viewport-host.ts
+++ b/src/viewport-three/viewport-host.ts
@@ -2094,6 +2094,7 @@ export class ViewportHost {
 
     if (terrainBrushState === null || this.toolMode !== "select") {
       this.setTerrainBrushHover(null);
+      this.syncTerrainGridResizeOverlay();
       return;
     }