diff --git a/content/treestyletab/res/fullScreenCanvas.xul b/content/treestyletab/res/fullScreenCanvas.xul
index 6523e34e..7571593e 100644
--- a/content/treestyletab/res/fullScreenCanvas.xul
+++ b/content/treestyletab/res/fullScreenCanvas.xul
@@ -38,7 +38,7 @@ window.addEventListener('DOMContentLoaded', function() {
 				frame.style.height = canvas.style.height;
 			}
 			try {
-				var ctx = canvas.getContext("2d");
+				var ctx = canvas.getContext('2d');
 				ctx.clearRect(0, 0, w, h);
 				ctx.save();
 				ctx.drawWindow(window, 0, 0, w, h, color);
diff --git a/defaults/preferences/treestyletab.js b/defaults/preferences/treestyletab.js
index 1d536876..7dc71e06 100644
--- a/defaults/preferences/treestyletab.js
+++ b/defaults/preferences/treestyletab.js
@@ -12,7 +12,7 @@ pref("extensions.treestyletab.tabbar.autoHide.delay",      50);
 pref("extensions.treestyletab.tabbar.autoHide.area",       25);
 pref("extensions.treestyletab.tabbar.autoHide.expandArea", false);
 pref("extensions.treestyletab.tabbar.autoShow.ctrlKeyDown", true);
-pref("extensions.treestyletab.tabbar.autoShow.ctrlKeyDown.delay", 200);
+pref("extensions.treestyletab.tabbar.autoShow.ctrlKeyDown.delay", 800);
 pref("extensions.treestyletab.tabbar.autoShow.tabSwitch", true);
 pref("extensions.treestyletab.tabbar.fixed", false);
 pref("extensions.treestyletab.tabbar.syncRelatedPrefsForDynamicPosition", true);