diff --git a/runtime/syntax/c.vim b/runtime/syntax/c.vim
index aef59a6..7af0067 100644
--- a/runtime/syntax/c.vim
+++ b/runtime/syntax/c.vim
@@ -1,7 +1,7 @@
 " Vim syntax file
 " Language:	C
 " Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last Change:	2011 Dec 30
+" Last Change:	2012 Jan 04
 
 " Quit when a (custom) syntax file was already loaded
 if exists("b:current_syntax")
@@ -181,7 +181,7 @@
   syn keyword   cType		mbstate_t wctrans_t wint_t wctype_t
 endif
 if !exists("c_no_c99") " ISO C99
-  syn keyword	cType		bool complex
+  syn keyword	cType		_Bool bool _Complex complex _Imaginary imaginary
   syn keyword	cType		int8_t int16_t int32_t int64_t
   syn keyword	cType		uint8_t uint16_t uint32_t uint64_t
   syn keyword	cType		int_least8_t int_least16_t int_least32_t int_least64_t
@@ -203,6 +203,15 @@
 if !exists("c_no_c99")
   syn keyword	cStorageClass	inline restrict
 endif
+if !exists("c_no_c11")
+  syn keyword	cStorageClass	_Alignas alignas
+  syn keyword	cOperator	_Alignof alignof
+  syn keyword	cStorageClass	_Atomic
+  syn keyword	cOperator	_Generic
+  syn keyword	cStorageClass	_Noreturn noreturn
+  syn keyword	cOperator	_Static_assert static_assert
+  syn keyword	cStorageClass	_Thread_local thread_local
+endif
 
 if !exists("c_no_ansi") || exists("c_ansi_constants") || exists("c_gnu")
   if exists("c_gnu")