diff --git a/public/js/index.js b/public/js/index.js
index 3aa1250..2c26e65 100644
--- a/public/js/index.js
+++ b/public/js/index.js
@@ -1,7 +1,7 @@
 var defaultTextHeight = 20;
 var viewportMargin = 20;
 var defaultExtraKeys = {
-    "F11": function(cm) {
+    "F10": function (cm) {
         cm.setOption("fullScreen", !cm.getOption("fullScreen"));
     },
     "Esc": function(cm) {