diff --git a/syntax/include/arm_base_syntax.vim b/syntax/include/arm_base_syntax.vim
index 8041179..c14995e 100644
--- a/syntax/include/arm_base_syntax.vim
+++ b/syntax/include/arm_base_syntax.vim
@@ -1,5 +1,5 @@
 
-setlocal iskeyword  +=.,_
+setlocal iskeyword  +=.,_,\$
 
 syn keyword armTodo     contained todo fixme danger note notice bug author date