diff --git a/_static/version_switch.js b/_static/version_switch.js
index 8ac9acb1..44b6815f 100644
--- a/_static/version_switch.js
+++ b/_static/version_switch.js
@@ -6,7 +6,7 @@
 
   async function getVersions() {
     try {
-      let res = await fetch(DOCUMENTATION_OPTIONS.CONTENT_ROOT + '../versions.json');
+      let res = await fetch(content_root + '../versions.json');
       return await res.json();
     }
     catch(error) {
diff --git a/git-develop/_static/version_switch.js b/git-develop/_static/version_switch.js
index 8ac9acb1..44b6815f 100644
--- a/git-develop/_static/version_switch.js
+++ b/git-develop/_static/version_switch.js
@@ -6,7 +6,7 @@
 
   async function getVersions() {
     try {
-      let res = await fetch(DOCUMENTATION_OPTIONS.CONTENT_ROOT + '../versions.json');
+      let res = await fetch(content_root + '../versions.json');
       return await res.json();
     }
     catch(error) {