diff --git a/deluge/ui/web/js/deluge-all/preferences/ProxyField.js b/deluge/ui/web/js/deluge-all/preferences/ProxyField.js
index 228ae10d7..fc00813e2 100644
--- a/deluge/ui/web/js/deluge-all/preferences/ProxyField.js
+++ b/deluge/ui/web/js/deluge-all/preferences/ProxyField.js
@@ -1,6 +1,6 @@
 /*!
  * Deluge.preferences.ProxyField.js
- * 
+ *
  * Copyright (c) Damien Churchill 2009-2010 <damoxc@gmail.com>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -58,19 +58,23 @@ Deluge.preferences.ProxyField = Ext.extend(Ext.form.FieldSet, {
 					[3, _('Socksv5 with Auth')],
 					[4, _('HTTP')],
 					[5, _('HTTP with Auth')]
-				]	   
-			}),	
+				]
+			}),
 			editable: false,
 			triggerAction: 'all',
 			valueField: 'id',
 			displayField: 'text'
 		});
+		this.proxyType.on('change', this.onFieldChange, this);
+		this.proxyType.on('select', this.onTypeSelect, this);
+
 		this.hostname = this.add({
 			xtype: 'textfield',
 			name: 'hostname',
 			fieldLabel: _('Host'),
 			width: 220
 		});
+		this.hostname.on('change', this.onFieldChange, this);
 
 		this.port = this.add({
 			xtype: 'spinnerfield',
@@ -81,6 +85,7 @@ Deluge.preferences.ProxyField = Ext.extend(Ext.form.FieldSet, {
 			minValue: -1,
 			maxValue: 99999
 		});
+		this.port.on('change', this.onFieldChange, this);
 
 	   this.username = this.add({
 			xtype: 'textfield',
@@ -88,6 +93,7 @@ Deluge.preferences.ProxyField = Ext.extend(Ext.form.FieldSet, {
 			fieldLabel: _('Username'),
 			width: 220
 		});
+		this.username.on('change', this.onFieldChange, this);
 
 		this.password = this.add({
 			xtype: 'textfield',
@@ -96,9 +102,8 @@ Deluge.preferences.ProxyField = Ext.extend(Ext.form.FieldSet, {
 			inputType: 'password',
 			width: 220
 		});
+		this.password.on('change', this.onFieldChange, this);
 
-		this.proxyType.on('change', this.onFieldChange, this);
-		this.proxyType.on('select', this.onTypeSelect, this);
 		this.setting = false;
 	},