diff --git a/deluge/ui/web/js/ext-extensions/form/SpinnerFieldFix.js b/deluge/ui/web/js/ext-extensions/form/SpinnerFieldFix.js
new file mode 100644
index 000000000..b12d2039d
--- /dev/null
+++ b/deluge/ui/web/js/ext-extensions/form/SpinnerFieldFix.js
@@ -0,0 +1,35 @@
+/*!
+ * Ext.ux.form.SpinnerField.js
+ * 
+ * Copyright (c) Damien Churchill 2010 <damoxc@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, write to:
+ *     The Free Software Foundation, Inc.,
+ *     51 Franklin Street, Fifth Floor
+ *     Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give
+ * permission to link the code of portions of this program with the OpenSSL
+ * library.
+ * You must obey the GNU General Public License in all respects for all of
+ * the code used other than OpenSSL. If you modify file(s) with this
+ * exception, you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete
+ * this exception statement from your version. If you delete this exception
+ * statement from all source files in the program, then also delete it here.
+ */
+
+Ext.override(Ext.ux.form.SpinnerField, {
+	onBlur: Ext.form.Field.prototype.onBlur
+});