diff --git a/src/js/modules/export.js b/src/js/modules/export.js
index 6da827a..2b8edc2 100644
--- a/src/js/modules/export.js
+++ b/src/js/modules/export.js
@@ -55,9 +55,8 @@ async function exportPNG() {
   const width = parseFloat(viewBox[2]) * window.devicePixelRatio;
   const height = parseFloat(viewBox[3]) * window.devicePixelRatio;
 
-  const encoded =
-    "data:image/svg+xml;base64," +
-    btoa(unescape(encodeURIComponent(new XMLSerializer().serializeToString(svgEl))));
+  const blob = new Blob([new XMLSerializer().serializeToString(svgEl)], {type: 'image/svg+xml'});
+  const encoded = URL.createObjectURL(blob);
 
   const tempImg = new Image();
   const loadImage = () => {