diff --git a/index.html b/index.html
index 60807aa0..c8320121 100644
--- a/index.html
+++ b/index.html
@@ -6163,12 +6163,11 @@
     <script defer src="modules/coa-renderer.js"></script>
     <script defer src="libs/rgbquant.min.js"></script>
     <script defer src="libs/jquery.ui.touch-punch.min.js"></script>
-    <script defer src="libs/jszip.min.js"></script>
 
     <script defer src="modules/io/save.js?v=29052022"></script>
     <script defer src="modules/io/load.js?v=01062022"></script>
     <script defer src="modules/io/cloud.js?v=24052022"></script>
-    <script defer src="modules/io/export.js?v=29052022"></script>
+    <script defer src="modules/io/export.js?v=04062022"></script>
     <script defer src="modules/io/export-json.js"></script>
     <script defer src="modules/io/formats.js"></script>
 
diff --git a/modules/io/export.js b/modules/io/export.js
index 2389b89e..fded29db 100644
--- a/modules/io/export.js
+++ b/modules/io/export.js
@@ -75,7 +75,8 @@ async function saveTiles() {
   return new Promise(async (resolve, reject) => {
     // download schema
     const urlSchema = await getMapURL("tiles", {debug: true, fullMap: true});
-    const zip = new JSZip();
+    await import("../../libs/jszip.min.js");
+    const zip = new window.JSZip();
 
     const canvas = document.createElement("canvas");
     const ctx = canvas.getContext("2d");
diff --git a/versioning.js b/versioning.js
index aa41662b..f60cbf5c 100644
--- a/versioning.js
+++ b/versioning.js
@@ -1,7 +1,7 @@
 "use strict";
 // version and caching control
 
-const version = "1.84.10"; // generator version, update each time
+const version = "1.84.11"; // generator version, update each time
 
 {
   document.title += " v" + version;