diff --git a/runtime/syntax/tar.vim b/runtime/syntax/tar.vim
index 497683a..815c221 100644
--- a/runtime/syntax/tar.vim
+++ b/runtime/syntax/tar.vim
@@ -14,4 +14,6 @@
 hi def link tarFilename	Constant
 hi def link tarDirectory Type
 
+let b:current_syntax = 'tar'
+
 " vim: ts=8