diff --git a/runtime/syntax/sh.vim b/runtime/syntax/sh.vim

index 13d74db..4f7fafb 100644

--- a/runtime/syntax/sh.vim

+++ b/runtime/syntax/sh.vim

@@ -335,7 +335,7 @@ syn match   shEscape	contained	'\%(^\)\@!\%(\\\\\)*\\.'	nextgroup=shComment

 " systems too, however, so the following syntax will flag $(..) as

 " an Error under /bin/sh.  By consensus of vimdev'ers!

 if exists("b:is_kornshell") || exists("b:is_bash") || exists("b:is_posix")

- syn region shCommandSub matchgroup=shCmdSubRegion start="\$(\ze[^(]\|$"  skip='\\\\\|\\.' end=")"  contains=@shCommandSubList

+ syn region shCommandSub matchgroup=shCmdSubRegion start="\$(\ze[^(]"  skip='\\\\\|\\.' end=")"  contains=@shCommandSubList

  syn region shArithmetic matchgroup=shArithRegion  start="\$((" skip='\\\\\|\\.' end="))" contains=@shArithList

  syn region shArithmetic matchgroup=shArithRegion  start="\$\[" skip='\\\\\|\\.' end="\]" contains=@shArithList

  syn match  shSkipInitWS contained	"^\s\+"