diff --git a/test_data/src/scripts/physicsLayout.js b/test_data/src/scripts/physicsLayout.js
index 6cbf176..e5fa223 100644
--- a/test_data/src/scripts/physicsLayout.js
+++ b/test_data/src/scripts/physicsLayout.js
@@ -133,7 +133,11 @@ setInterval(()=>{
   maxY = bodies.sort((a, b) => (b.position.y - a.position.y))[0].position.y;
   if (maxY < getDocumentHeight()) return;
 
-  render.canvas.height = Math.max(window.innerHeight, maxY + 1000);
+  if (window.sessionStorage.getItem("isZoom") == "true") {
+    render.canvas.height = Math.max(window.innerHeight, maxY * 2);
+  } else {
+    render.canvas.height = Math.max(window.innerHeight, maxY + 600);
+  }
   document.querySelector('#authors').style.height = render.canvas.height;
   
   if(leftWall.position.y+window.innerHeight/2 <getDocumentHeight()){