diff --git a/acrobat/blocks/unity/unity.js b/acrobat/blocks/unity/unity.js
index 5ae9c9f8..542665dd 100644
--- a/acrobat/blocks/unity/unity.js
+++ b/acrobat/blocks/unity/unity.js
@@ -99,7 +99,7 @@ function getUnityLibs(prodLibs = '/unitylibs') {
   // eslint-disable-next-line compat/compat
   const branch = new URLSearchParams(search).get('unitylibs') || 'main';
   if (branch === 'main' && hostname === 'www.stage.adobe.com') return prodLibs;
-  const env = hostname.includes('.hlx.') ? 'hlx' : 'aem';
+  const env = hostname.includes('.aem.') ? 'aem' : 'hlx';
   return `https://${branch}${branch.includes('--') ? '' : '--unity--adobecom'}.${env}.live/unitylibs`;
 }
 
diff --git a/acrobat/scripts/scripts.js b/acrobat/scripts/scripts.js
index 7428f12e..29627cde 100644
--- a/acrobat/scripts/scripts.js
+++ b/acrobat/scripts/scripts.js
@@ -28,7 +28,7 @@ const setLibs = (prodLibs, location = window.location) => {
   const branch = new URLSearchParams(search).get('milolibs') || 'main';
   if (branch === 'main' && hostname === 'www.stage.adobe.com') return '/libs';
   if (branch === 'local') return 'http://localhost:6456/libs';
-  const env = hostname.includes('.hlx.') ? 'hlx' : 'aem';
+  const env = hostname.includes('.aem.') ? 'aem' : 'hlx';
   return `https://${branch}${branch.includes('--') ? '' : '--milo--adobecom'}.${env}.live/libs`;
 };
 
diff --git a/acrobat/scripts/utils.js b/acrobat/scripts/utils.js
index d311f323..4012c3f4 100644
--- a/acrobat/scripts/utils.js
+++ b/acrobat/scripts/utils.js
@@ -30,7 +30,7 @@ export const [setLibs, getLibs] = (() => {
         const branch = new URLSearchParams(search).get('milolibs') || 'main';
         if (branch === 'main' && hostname === 'www.stage.adobe.com') return '/libs';
         if (branch === 'local') return 'http://localhost:6456/libs';
-        const env = hostname.includes('.hlx.') ? 'hlx' : 'aem';
+        const env = hostname.includes('.aem.') ? 'aem' : 'hlx';
         return `https://${branch}${branch.includes('--') ? '' : '--milo--adobecom'}.${env}.live/libs`;
       })();
       return libs;