diff --git a/IPython/html/static/base/js/keyboard.js b/IPython/html/static/base/js/keyboard.js
index 96edd73..224e373 100644
--- a/IPython/html/static/base/js/keyboard.js
+++ b/IPython/html/static/base/js/keyboard.js
@@ -54,7 +54,7 @@ IPython.keyboard = (function (IPython) {
var browser = IPython.utils.browser[0];
var platform = IPython.utils.platform;
- if (browser === 'Firefox' || browser === 'Opera') {
+ if (browser === 'Firefox' || browser === 'Opera' || browser === 'Netscape') {
$.extend(_keycodes, _mozilla_keycodes);
} else if (browser === 'Safari' || browser === 'Chrome' || browser === 'MSIE') {
$.extend(_keycodes, _ie_keycodes);