diff --git a/deluge/ui/web/js/Deluge.Preferences.js b/deluge/ui/web/js/Deluge.Preferences.js
index 3aa991127..bcb13050e 100644
--- a/deluge/ui/web/js/Deluge.Preferences.js
+++ b/deluge/ui/web/js/Deluge.Preferences.js
@@ -108,6 +108,11 @@ Ext.deluge.PreferencesWindow = Ext.extend(Ext.Window, {
 	onClose: function() {
 		this.hide();
 	},
+
+    onOk: function() {
+		Deluge.Client.core.set_config(this.optionsManager.getDirty());
+        this.hide();
+    },
 	
 	addPage: function(page) {
 		var store = this.categoriesGrid.getStore();
@@ -161,4 +166,4 @@ Ext.deluge.PreferencesWindow = Ext.extend(Ext.Window, {
 	}
 });
 
-Deluge.Preferences = new Ext.deluge.PreferencesWindow();
\ No newline at end of file
+Deluge.Preferences = new Ext.deluge.PreferencesWindow();