diff --git a/index.js b/index.js
index 4382568..2ccb6c2 100644
--- a/index.js
+++ b/index.js
@@ -19,6 +19,16 @@ const SwalConfig = {
   buttonsStyling: false,
 }
 
+const invalidChars = ['/', '\\', '>', '<', ':', '*', '|', '"', '\'', '?', '\0'];
+
+const replaceInvalid = (str) => {
+  var cache = str;
+  invalidChars.forEach(ch => {
+    cache = cache.replace(ch, "#");
+  });
+  return cache;
+}
+
 const isOverflown = ({ clientHeight, scrollHeight }) => scrollHeight > clientHeight
 
 const setCookie = (cname, cvalue, exdays) => {
@@ -134,6 +144,7 @@ const generateSSH = async (name, id, token) => {
   generateKeyPair("RSASSA-PKCS1-v1_5", 4096, "namehere")
     .then((keys) => {
       var KeyExport = new JSZip();
+      name = replaceInvalid(name);
       KeyExport.file("HackersTownTTY-"+name, keys[0]);
       KeyExport.file("HackersTownTTY-"+name+".pub", keys[1]);
       KeyExport.generateAsync({type:"blob"})
diff --git a/send.php b/send.php
index 4affb01..28bca81 100644
--- a/send.php
+++ b/send.php
@@ -1,4 +1,6 @@
 <?php
+
+// echo exec('whoami');
 exit();
 $z=1/0;
 use Lrf141\OAuth2\Client\Provider\Mastodon;