diff --git a/server.mjs b/server.mjs
index 9e4c168..794840c 100644
--- a/server.mjs
+++ b/server.mjs
@@ -31,7 +31,7 @@ import {
 } from './user-auth.mjs';
 import { createWikiAuth } from './wiki-auth.mjs';
 import { isLocalDevHostname } from './scripts/local-test-config.mjs';
-import { PUBLISH_ROOT_DIR, PUBLISH_KEY_UUID, PUBLIC_ZONE_DIR, resolvePublishDir, resolvePublicBaseUrl } from './user-publish.mjs';
+import { buildPublicUrl, PUBLISH_ROOT_DIR, PUBLISH_KEY_UUID, PUBLIC_ZONE_DIR, resolvePublishDir, resolvePublicBaseUrl } from './user-publish.mjs';
 import { ensureWorkspaceHtmlThumbnail, startWorkspaceThumbnailWatcher, workspaceThumbnailRelativePath } from './mindspace-workspace-thumbnails.mjs';
 import { startWorkspaceAssetSyncWatcher } from './mindspace-workspace-sync.mjs';
 import { attachRequestId, sendData, sendError } from './api-response.mjs';
@@ -3125,7 +3125,7 @@ api.post('/mindspace/v1/pages/quick-share-from-chat', async (req, res) => {
     await fsPromises.writeFile(destPath, sharedHtml, 'utf8');
 
     const publishKey = req.currentUser.id;
-    const publicUrl = `${resolvePublicBaseUrl()}/${PUBLISH_ROOT_DIR}/${encodeURIComponent(publishKey)}/${sharedRelativePath.split('/').map((part) => encodeURIComponent(part)).join('/')}`;
+    const publicUrl = buildPublicUrl(resolvePublicBaseUrl(), publishKey, sharedRelativePath);
 
     return res.status(201).json({ data: { publicUrl, filename } });
   } catch (error) {