diff --git a/runtime/syntax/fasm.vim b/runtime/syntax/fasm.vim
index 696e05b..172ba7c 100644
--- a/runtime/syntax/fasm.vim
+++ b/runtime/syntax/fasm.vim
@@ -6,9 +6,8 @@
 " FASM Home:	http://flatassembler.net/
 " FASM Version: 1.56
 
-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