diff --git a/src/vim/syntax/PKGBUILD.vim b/src/vim/syntax/PKGBUILD.vim
index 2ba6b72..786ceaf 100644
--- a/src/vim/syntax/PKGBUILD.vim
+++ b/src/vim/syntax/PKGBUILD.vim
@@ -100,7 +100,7 @@ syn region pbMakedependsGroup start=/^makedepends=(/ end=/)/ contains=pb_k_maked
 
 " optdepends
 syn keyword pb_k_optdepends optdepends contained
-syn match pbValidOptdepends /\([[:alnum:]]\|+\|-\|_\)*/ contained
+syn match pbValidOptdepends /\([[:alnum:]]\|+\|-\|_\)*/ contained contains=shParen
 syn region pbOptdependsGroup start=/^optdepends=(/ end=/)/ contains=pb_k_optdepends,pbValidOptdepends,shDoubleQuote,shSingleQuote
 
 " checkdepends