diff --git a/browser/index.html b/browser/index.html
index 376c0a21..627928e6 100644
--- a/browser/index.html
+++ b/browser/index.html
@@ -199,6 +199,7 @@ more bitcoin magic).</small>
     if (items.length === 20) {
       el = items.shift();
       tdiv.removeChild(el);
+      el.onmouseup = null;
     }
 
     el = create('<a style="display:block;" href="#'
diff --git a/browser/wsproxy.js b/browser/wsproxy.js
index 9ec9d8c1..4ebb8d04 100644
--- a/browser/wsproxy.js
+++ b/browser/wsproxy.js
@@ -78,7 +78,7 @@ module.exports = function wsproxy(options) {
         }
       }
 
-      if (!/^[a-zA-Z0-9\.:]+$/.test(host)) {
+      if (!/^[a-zA-Z0-9\.:\-]+$/.test(host)) {
         utils.error('Client gave a bad host.');
         ws.emit('tcp close');
         ws.disconnect();