diff --git a/runtime/syntax/hb.vim b/runtime/syntax/hb.vim
index ab2fb7f..7bff1df 100644
--- a/runtime/syntax/hb.vim
+++ b/runtime/syntax/hb.vim
@@ -61,22 +61,20 @@
 
 " Define the default highlighting.
 " Only when an item doesn't have highlighting yet
-command -nargs=+ HiLink hi def link <args>
 
-HiLink HBhtmlString			 String
-HiLink HBhtmlTagN			 Function
-HiLink htmlSpecialChar		 String
+hi def link HBhtmlString			 String
+hi def link HBhtmlTagN			 Function
+hi def link htmlSpecialChar		 String
 
-HiLink HBInvalidLine Error
-HiLink HBFoobar Comment
+hi def link HBInvalidLine Error
+hi def link HBFoobar Comment
 hi HBFileName guibg=lightgray guifg=black
-HiLink HBDirectiveError Error
-HiLink HBDirectiveBlockEnd HBDirectiveKeyword
+hi def link HBDirectiveError Error
+hi def link HBDirectiveBlockEnd HBDirectiveKeyword
 hi HBDirectiveKeyword guibg=lightgray guifg=darkgreen
-HiLink HBComment Comment
-HiLink HBhtmlTagSk Statement
+hi def link HBComment Comment
+hi def link HBhtmlTagSk Statement
 
-delcommand HiLink
 
 syn sync match Normal grouphere NONE "^:\s*$"
 syn sync match Normal grouphere NONE "^:\s*lib\s\+[^ \t]\+$"