diff --git a/copyparty/web/browser.js b/copyparty/web/browser.js
index c162f9a8..891b8b52 100644
--- a/copyparty/web/browser.js
+++ b/copyparty/web/browser.js
@@ -4433,7 +4433,8 @@ function eval_hash() {
 
 function read_dsort(txt) {
 	dnsort = dnsort ? 1 : 0;
-	clmod(ebi('nsort'), 'on', (sread('nsort') || dnsort) == 1);
+	ENATSORT = NATSORT && (sread('nsort') || dnsort) == 1;
+	clmod(ebi('nsort'), 'on', ENATSORT);
 	try {
 		var zt = (('' + txt).trim() || 'href').split(/,+/g);
 		dsort = [];
@@ -4479,9 +4480,6 @@ function sortfiles(nodes) {
 
 	sopts = sopts && sopts.length ? sopts : jcp(dsort);
 
-	var collator = !clgot(ebi('nsort'), 'on') ? null :
-		new Intl.Collator([], {numeric: true});
-
 	try {
 		var is_srch = false;
 		if (nodes[0]['rp']) {
@@ -4533,8 +4531,9 @@ function sortfiles(nodes) {
 				}
 				if (v2 === undefined) return 1 * rev;
 
-				var ret = rev * (typ == 'int' ? (v1 - v2) : collator ?
-					collator.compare(v1, v2) : v1.localeCompare(v2));
+				var ret = rev * (typ == 'int' ? (v1 - v2) :
+					ENATSORT ? NATSORT.compare(v1, v2) :
+					v1.localeCompare(v2));
 
 				if (ret === 0)
 					ret = onodes.indexOf(n1) - onodes.indexOf(n2);
@@ -7271,6 +7270,7 @@ var treectl = (function () {
 		treesz = clamp(icfg_get('treesz', 16), 10, 50);
 
 	var resort = function () {
+		ENATSORT = NATSORT && clgot(ebi('nsort'), 'on');
 		treectl.gentab(get_evpath(), treectl.lsc);
 	};
 	bcfg_bind(r, 'ireadme', 'ireadme', true);
@@ -8143,9 +8143,16 @@ var treectl = (function () {
 		}
 		delete res['a'];
 		var keys = Object.keys(res);
-		keys.sort(function (a, b) { return a.localeCompare(b); });
+		for (var a = 0; a < keys.length; a++)
+			keys[a] = [uricom_dec(keys[a]), keys[a]];
+
+		if (ENATSORT)
+			keys.sort(function (a, b) { return NATSORT.compare(a[0], b[0]); });
+		else
+			keys.sort(function (a, b) { return a[0].localeCompare(b[0]); });
+
 		for (var a = 0; a < keys.length; a++) {
-			var kk = keys[a],
+			var kk = keys[a][1],
 				m = /(\?k=[^\n]+)/.exec(kk),
 				kdk = m ? m[1] : '',
 				ks = kk.replace(kdk, '').slice(1),
diff --git a/copyparty/web/util.js b/copyparty/web/util.js
index 389593b4..17fb1943 100644
--- a/copyparty/web/util.js
+++ b/copyparty/web/util.js
@@ -461,6 +461,13 @@ function namesan(txt, win, fslash) {
 }
 
 
+var NATSORT, ENATSORT;
+try {
+    NATSORT = new Intl.Collator([], {numeric: true});
+}
+catch (ex) { }
+
+
 var crctab = (function () {
     var c, tab = [];
     for (var n = 0; n < 256; n++) {
@@ -614,6 +621,33 @@ function showsort(tab) {
         }
     }
 }
+function st_cmp_num(a, b) {
+    a = a[0];
+    b = b[0];
+    return (
+        a === null ? -1 :
+        b === null ? 1 :
+        (a - b)
+    );
+}
+function st_cmp_nat(a, b) {
+    a = a[0];
+    b = b[0];
+    return (
+        a === null ? -1 :
+        b === null ? 1 :
+        NATSORT.compare(a, b)
+    );
+}
+function st_cmp_gen(a, b) {
+    a = a[0];
+    b = b[0];
+    return (
+        a === null ? -1 :
+        b === null ? 1 :
+        a.localeCompare(b)
+    );
+}
 function sortTable(table, col, cb) {
     var tb = table.tBodies[0],
         th = table.tHead.rows[0].cells,
@@ -659,19 +693,17 @@ function sortTable(table, col, cb) {
         }
         vl.push([v, a]);
     }
-    vl.sort(function (a, b) {
-        a = a[0];
-        b = b[0];
-        if (a === null)
-            return -1;
-        if (b === null)
-            return 1;
 
-        if (stype == 'int') {
-            return reverse * (a - b);
-        }
-        return reverse * (a.localeCompare(b));
-    });
+    if (stype == 'int')
+        vl.sort(st_cmp_num);
+    else if (ENATSORT)
+        vl.sort(st_cmp_nat);
+    else
+        vl.sort(st_cmp_gen);
+
+    if (reverse < 0)
+        vl.reverse();
+
     if (sread('dir1st') !== '0') {
         var r1 = [], r2 = [];
         for (var i = 0; i < tr.length; i++) {