diff --git a/runtime/syntax/scilab.vim b/runtime/syntax/scilab.vim
index bee4007..03e123b 100644
--- a/runtime/syntax/scilab.vim
+++ b/runtime/syntax/scilab.vim
@@ -64,40 +64,38 @@
 
 " Define the default highlighting.
 " Only when an item doesn't have highlighting yet
-command -nargs=+ HiLink hi def link <args>
 
-HiLink	scilabStatement				Statement
-HiLink	scilabFunction				Keyword
-HiLink	scilabPredicate				Keyword
-HiLink	scilabKeyword				Keyword
-HiLink	scilabDebug					Debug
-HiLink	scilabRepeat				Repeat
-HiLink	scilabConditional			Conditional
-HiLink	scilabMultiplex				Conditional
+hi def link scilabStatement				Statement
+hi def link scilabFunction				Keyword
+hi def link scilabPredicate				Keyword
+hi def link scilabKeyword				Keyword
+hi def link scilabDebug					Debug
+hi def link scilabRepeat				Repeat
+hi def link scilabConditional			Conditional
+hi def link scilabMultiplex				Conditional
 
-HiLink	scilabConstant				Constant
-HiLink	scilabBoolean				Boolean
+hi def link scilabConstant				Constant
+hi def link scilabBoolean				Boolean
 
-HiLink	scilabDelimiter				Delimiter
-HiLink	scilabMlistAccess			Delimiter
-HiLink	scilabComparison			Operator
-HiLink	scilabLogical				Operator
-HiLink	scilabAssignment			Operator
-HiLink	scilabArithmetic			Operator
-HiLink	scilabRange					Operator
-HiLink	scilabLineContinuation		Underlined
-HiLink	scilabTransposition			Operator
+hi def link scilabDelimiter				Delimiter
+hi def link scilabMlistAccess			Delimiter
+hi def link scilabComparison			Operator
+hi def link scilabLogical				Operator
+hi def link scilabAssignment			Operator
+hi def link scilabArithmetic			Operator
+hi def link scilabRange					Operator
+hi def link scilabLineContinuation		Underlined
+hi def link scilabTransposition			Operator
 
-HiLink	scilabTodo					Todo
-HiLink	scilabComment				Comment
+hi def link scilabTodo					Todo
+hi def link scilabComment				Comment
 
-HiLink	scilabNumber				Number
-HiLink	scilabString				String
+hi def link scilabNumber				Number
+hi def link scilabString				String
 
-HiLink	scilabIdentifier			Identifier
-HiLink	scilabOverload				Special
+hi def link scilabIdentifier			Identifier
+hi def link scilabOverload				Special
 
-delcommand HiLink
 
 let b:current_syntax = "scilab"