diff --git a/syntax/cs.vim b/syntax/cs.vim
index 6977256..398cd05 100644
--- a/syntax/cs.vim
+++ b/syntax/cs.vim
@@ -43,8 +43,6 @@ syn keyword csUnsupportedStatement	add remove value
 " TODO:
 syn keyword csUnspecifiedKeyword	explicit implicit
 
-syn keyword csTypeOf                    typeof nextgroup=csEnclosed
-
 " Linq Keywords
 syn keyword csLinq                      from where select group into orderby join let in on equals by ascending descending
 
@@ -65,8 +63,8 @@ syn keyword csNewDecleration            new nextgroup=csClass skipwhite
 syn match csClass contained       /\<[A-Z][a-z]\w\+/ nextgroup=csGeneric
 syn match csIface contained       /\<I[A-Z][a-z]\w\+/ nextgroup=csGeneric
 " syn region csGeneric start="<" end=">" contains=csIface,csClass
-syn region csEnclosed start="(" end=")" contains=csConstant,csType,csString, csVerbatimString, csCharacter, csNumber,csIface,csClass,csNewDecleration,csUnspecifiedStatement,csLinq
 "syn region csInherits start=":" end="{" contains=csIface,csClass
+syn region csTypeOf start="typeof(" end=")" contains=csIface,csClass
 
 " Attributes
 syn region csAttribute start="^\s*\[" end="\]\s*" contains=csString, csVerbatimString, csCharacter, csNumber, csType