diff --git a/content/treestyletab/windowHelperHacks.js b/content/treestyletab/windowHelperHacks.js
index 6ca5adf2..a5fe6a26 100644
--- a/content/treestyletab/windowHelperHacks.js
+++ b/content/treestyletab/windowHelperHacks.js
@@ -1085,6 +1085,19 @@ TreeStyleTabWindowHelper.overrideExtensionsAfterBrowserInit = function TSTWH_ove
 		}
 	}
 
+	// InstaClick
+	// https://addons.mozilla.org/firefox/addon/instaclick/
+	if ('instaclick' in window &&
+		'contentAreaClick2' in window.instaclick &&
+		sv.getTreePref('compatibility.InstaClick')) {
+		eval('instaclick.contentAreaClick2 = '+
+			instaclick.contentAreaClick2.toSource().replace(
+				'gBrowser.loadOneTab(',
+				'TreeStyleTabService.readyToOpenChildTab(); $&'
+			)
+		);
+	}
+
 	window.setTimeout(function(aSelf) {
 		aSelf.overrideExtensionsDelayed();
 	}, 0, this);
diff --git a/defaults/preferences/treestyletab.js b/defaults/preferences/treestyletab.js
index aaedc134..7616c749 100644
--- a/defaults/preferences/treestyletab.js
+++ b/defaults/preferences/treestyletab.js
@@ -578,6 +578,7 @@ pref("extensions.treestyletab.compatibility.GoogleToolbar.Sidewiki", true);
 pref("extensions.treestyletab.compatibility.Greasemonkey", true);
 pref("extensions.treestyletab.compatibility.Highlander", true);
 pref("extensions.treestyletab.compatibility.IETabPlus", true);
+pref("extensions.treestyletab.compatibility.InstaClick", true);
 pref("extensions.treestyletab.compatibility.LastTab", true);
 pref("extensions.treestyletab.compatibility.Linky", true);
 pref("extensions.treestyletab.compatibility.Locationbar2", true);