--- deliantra/arch/spell/Misc/spell_improved_invisibility.arc	2009/09/17 08:14:49	1.10
+++ deliantra/arch/spell/Misc/spell_improved_invisibility.arc	2010/04/02 21:26:30	1.11
@@ -1,4 +1,5 @@
 object spell_improved_invisibility
+inherit type_spell
 name improved invisibility
 name_pl improved invisibility
 skill sorcery