diff --git a/runtime/syntax/datascript.vim b/runtime/syntax/datascript.vim
index a983b8e..7b686a1 100644
--- a/runtime/syntax/datascript.vim
+++ b/runtime/syntax/datascript.vim
@@ -8,9 +8,8 @@
 "
 " http://dstools.sourceforge.net/DataScriptLanguageOverview.html
 
-if version < 600
-  syntax clear
-elseif exists("b:current_syntax")
+" quit when a syntax file was already loaded
+if exists("b:current_syntax")
   finish
 endif
 let s:keepcpo= &cpo