diff --git a/uppsrc/Turtle/Server.cpp b/uppsrc/Turtle/Server.cpp
index f5e98752b..aa37eb4cd 100644
--- a/uppsrc/Turtle/Server.cpp
+++ b/uppsrc/Turtle/Server.cpp
@@ -40,6 +40,8 @@ int64     Ctrl::recieved_update_serial;
 Callback2<int, String> Ctrl::WhenConnect;
 Callback1<int>         Ctrl::WhenTerminate;
 
+StaticRect& DesktopRect();
+
 bool Ctrl::StartSession()
 {
 	LLOG("Connect");
@@ -131,8 +133,6 @@ bool Ctrl::StartSession()
 #endif
 	ChStdSkin();
 
-	extern StaticRect& DesktopRect();
-
 	DesktopRect().Color(Cyan());
 	DesktopRect().SetRect(0, 0, DesktopSize.cx, DesktopSize.cy);
 	SetDesktop(Desktop());
diff --git a/uppsrc/Turtle/Turtle.html b/uppsrc/Turtle/Turtle.html
index 263e9dae1..f26a1c547 100644
--- a/uppsrc/Turtle/Turtle.html
+++ b/uppsrc/Turtle/Turtle.html
@@ -471,11 +471,13 @@ canvas.onmouseup = function(event)
 	event.preventDefault();
 }
 
-canvas.onwheel = function(event)
+function MouseWheel(event)
 {
 	event_queue += "W " + event.deltaY + mouse_event(event);
 }
 
+canvas.addEventListener("wheel", MouseWheel); // IE9 needs addEventListener...
+
 document.onkeydown = function(event)
 {
 	event_queue += "K " + event.keyCode + " " + event.which + key_flags(event);