diff --git a/demos/resizable/overlay.html b/demos/resizable/overlay.html
index 2b1add594..2d9f41f9b 100644
--- a/demos/resizable/overlay.html
+++ b/demos/resizable/overlay.html
@@ -87,6 +87,7 @@
     };
     window.addEventListener('resize', onresize, false);
     onresize();
+    Blockly.svgResize(workspace);
   </script>
 </body>
 </html>