diff --git a/ghost/admin/app/components/admin-x/admin-x-component.js b/ghost/admin/app/components/admin-x/admin-x-component.js
index 0be6116504..058a046c81 100644
--- a/ghost/admin/app/components/admin-x/admin-x-component.js
+++ b/ghost/admin/app/components/admin-x/admin-x-component.js
@@ -58,7 +58,12 @@ export const importComponent = async (packageName) => {
     }
 
     const baseUrl = (config.cdnUrl ? `${config.cdnUrl}assets/` : ghostPaths().assetRootWithHost);
-    const url = new URL(`${baseUrl}${relativePath}/${config[`${configKey}Filename`]}?v=${config[`${configKey}Hash`]}`);
+    let url = new URL(`${baseUrl}${relativePath}/${config[`${configKey}Filename`]}?v=${config[`${configKey}Hash`]}`);
+
+    const customUrl = config[`${configKey}CustomUrl`];
+    if (customUrl) {
+        url = new URL(customUrl);
+    }
 
     if (url.protocol === 'http:') {
         window[packageName] = await import(`http://${url.host}${url.pathname}${url.search}`);