--- a/src/transparency_gui.cpp	Thu May 08 11:31:41 2008 +0000
+++ b/src/transparency_gui.cpp	Thu May 08 11:50:34 2008 +0000
@@ -126,5 +126,5 @@
 
 void ShowTransparencyToolbar(void)
 {
-	AllocateWindowDescFront(&_transparency_desc, 0);
+	AllocateWindowDescFront<Window>(&_transparency_desc, 0);
 }