diff --git a/runtime/syntax/diff.vim b/runtime/syntax/diff.vim
index 484e2cc..aa5be3f 100644
--- a/runtime/syntax/diff.vim
+++ b/runtime/syntax/diff.vim
@@ -2,7 +2,7 @@
 " Language:	Diff (context or unified)
 " Maintainer:	Bram Moolenaar <Bram@vim.org>
 "               Translations by Jakson Alves de Aquino.
-" Last Change:	2013 Jul 24
+" Last Change:	2013 Oct 06
 
 " Quit when a (custom) syntax file was already loaded
 if exists("b:current_syntax")
@@ -336,7 +336,7 @@
 "Some versions of diff have lines like "#c#" and "#d#" (where # is a number)
 syn match diffLine	"^\d\+\(,\d\+\)\=[cda]\d\+\>.*"
 
-syn match diffFile	"^diff.*"
+syn match diffFile	"^diff\>.*"
 syn match diffFile	"^+++ .*"
 syn match diffFile	"^Index: .*"
 syn match diffFile	"^==== .*"