diff --git a/lib/scripts/hotkeys.js b/lib/scripts/hotkeys.js
index 9e2b9cb8303a1eb4bb643e91ec638bce1ba671dc..2b696e78d352ce985a6ed8941952c1ba44b09555 100644
--- a/lib/scripts/hotkeys.js
+++ b/lib/scripts/hotkeys.js
@@ -18,7 +18,7 @@ function Hotkeys() {
      *  this.modifier = 'alt';
      *  this.modifier = 'alt+shift';
      */
-    this.modifier = 'ctrl';
+    this.modifier = 'alt';
 
     /**
      * Initialization
@@ -288,4 +288,4 @@ function Hotkeys() {
 function initializeHotkeys() {
     var hotkeys = new Hotkeys();
     hotkeys.initialize();
-}
\ No newline at end of file
+}