diff --git a/apps/server/src/services/export/zip.ts b/apps/server/src/services/export/zip.ts
index 046b7369c..7034f8e18 100644
--- a/apps/server/src/services/export/zip.ts
+++ b/apps/server/src/services/export/zip.ts
@@ -562,6 +562,7 @@ ${markdownContent}`;
 
         const assets = [
             "style.css",
+            "script.js",
             "boxicons.css",
             "boxicons.eot",
             "boxicons.woff2",
@@ -654,6 +655,8 @@ function getShareThemeAssets(nameWithExtension: string) {
     // Rename share.css to style.css.
     if (nameWithExtension === "style.css") {
         nameWithExtension = "share.css";
+    } else if (nameWithExtension === "script.js") {
+        nameWithExtension = "share.js";
     }
 
     let path: string | undefined;
diff --git a/apps/server/src/share/content_renderer.ts b/apps/server/src/share/content_renderer.ts
index 346d9743e..041e5cc17 100644
--- a/apps/server/src/share/content_renderer.ts
+++ b/apps/server/src/share/content_renderer.ts
@@ -17,6 +17,7 @@ import { join } from "path";
 import { readFileSync } from "fs";
 
 const shareAdjustedAssetPath = isDev ? assetPath : `../${assetPath}`;
+const shareAdjustedAppPath = isDev ? app_path : `../${app_path}`;
 
 /**
  * Represents the output of the content renderer.
@@ -73,6 +74,9 @@ export function renderNoteForExport(note: BNote, parentBranch: BBranch, basePath
             `${basePath}style.css`,
             `${basePath}boxicons.css`
         ],
+        jsToLoad: [
+            `${basePath}script.js`
+        ],
         logoUrl: `${basePath}icon-color.svg`
     });
 }
@@ -86,12 +90,18 @@ export function renderNoteContent(note: SNote) {
         cssToLoad.push(`${shareAdjustedAssetPath}/src/share.css`);
         cssToLoad.push(`${shareAdjustedAssetPath}/src/boxicons.css`);
     }
-
-    // Support custom CSS too.
     for (const cssRelation of note.getRelations("shareCss")) {
         cssToLoad.push(`api/notes/${cssRelation.value}/download`);
     }
 
+    // Determine JS to load.
+    const jsToLoad: string[] = [
+        `${shareAdjustedAppPath}/share.js`
+    ];
+    for (const jsRelation of note.getRelations("shareJs")) {
+        jsToLoad.push(`api/notes/${jsRelation.value}/download`);
+    }
+
     const customLogoId = note.getRelation("shareLogo")?.value;
     const logoUrl = customLogoId ? `api/images/${customLogoId}/image.png` : `../${assetUrlFragment}/images/icon-color.svg`;
 
@@ -99,6 +109,7 @@ export function renderNoteContent(note: SNote) {
         subRoot,
         rootNoteId: "_share",
         cssToLoad,
+        jsToLoad,
         logoUrl
     });
 }
@@ -107,6 +118,7 @@ interface RenderArgs {
     subRoot: Subroot;
     rootNoteId: string;
     cssToLoad: string[];
+    jsToLoad: string[];
     logoUrl: string;
 }
 
@@ -120,7 +132,7 @@ function renderNoteContentInternal(note: SNote | BNote, renderArgs: RenderArgs)
         isEmpty,
         assetPath: shareAdjustedAssetPath,
         assetUrlFragment,
-        appPath: isDev ? app_path : `../${app_path}`,
+        appPath: shareAdjustedAppPath,
         showLoginInShareTheme,
         t,
         isDev,
diff --git a/packages/share-theme/src/templates/page.ejs b/packages/share-theme/src/templates/page.ejs
index 8b4609020..243f788a1 100644
--- a/packages/share-theme/src/templates/page.ejs
+++ b/packages/share-theme/src/templates/page.ejs
@@ -9,8 +9,8 @@
     <% for (const url of cssToLoad) { %>
         <link href="<%= url %>" rel="stylesheet">
     <% } %>
-    <% for (const jsRelation of note.getRelations("shareJs")) { %>
-        <script type="module" src="api/notes/<%= jsRelation.value %>/download"></script>
+    <% for (const url of jsToLoad) { %>
+        <script type="module" src="<%= url %>"></script>
     <% } %>
     <% if (note.hasLabel("shareDisallowRobotIndexing")) { %>
         <meta name="robots" content="noindex,follow" />