--- a/.vimrc
+++ b/.vimrc
@@ -298,8 +298,7 @@ endfunction
 " perl fold scanning is slow
 "let perl_fold = 1           
 let perl_include_pod = 1
-" workaround for experimental signatures
-let perl_no_subprototype_error = 1
+let perl_sub_signatures = 1
 
 " }}}