diff --git a/src/site/_data/filetree.js b/src/site/_data/filetree.js
index 27735b0..ccb26fc 100644
--- a/src/site/_data/filetree.js
+++ b/src/site/_data/filetree.js
@@ -5,29 +5,41 @@ const fs = require('fs');
 module.exports = async () => {
     const tree = await fsFileTree("src/site/notes");
     populateWithPermalink(tree);
-    
+
+    return sortTree(tree);
+}
+
+const sortTree = (unsorted) => {
     //Sort by folder before file, then by name
-    const orderedTree = Object.keys(tree).sort((a,b)=>{
-        if(a.indexOf(".md") > -1 && b.indexOf(".md") === -1){
+    const orderedTree = Object.keys(unsorted).sort((a, b) => {
+        if (a.indexOf(".md") > -1 && b.indexOf(".md") === -1) {
             return 1;
         }
 
-        if(a.indexOf(".md") === -1 && b.indexOf(".md") > -1){
+        if (a.indexOf(".md") === -1 && b.indexOf(".md") > -1) {
             return -1;
         }
 
-        if(a>b){
+        if (a.toLowerCase() > b.toLowerCase()) {
             return 1;
         }
 
         return -1;
     }).reduce(
         (obj, key) => {
-            obj[key] = tree[key];
+            obj[key] = unsorted[key];
+
             return obj;
         },
         {}
     );
+
+    for (const key of Object.keys(orderedTree)) {
+        if (!orderedTree[key].path) {
+            orderedTree[key] = sortTree(orderedTree[key])
+        }
+    }
+
     return orderedTree;
 }
 
@@ -40,14 +52,14 @@ function getPermalinkAndName(path, key) {
         if (frontMatter.data.permalink) {
             permalink = frontMatter.data.permalink;
         }
-        if (frontMatter.data.title){
+        if (frontMatter.data.title) {
             name = frontMatter.data.title
         }
     } catch {
         //ignore
     }
 
-    return {permalink, name};
+    return { permalink, name };
 }
 
 function populateWithPermalink(tree) {