diff --git a/docusaurus.config.js b/docusaurus.config.js
index d7a73638..82fc00de 100644
--- a/docusaurus.config.js
+++ b/docusaurus.config.js
@@ -128,6 +128,7 @@ const config = {
         appId: "WZNIEWJ5O6",
         apiKey: "5b2387711eca356fb0d654336ae3f740",
         indexName: "zed-brimdata",
+        externalUrlRegex: "zui\\.brimdata\\.io",
       }
     }),
 };