diff --git a/runtime/autoload/netrw.vim b/runtime/autoload/netrw.vim
index b7f0c91..bd3e28e 100644
--- a/runtime/autoload/netrw.vim
+++ b/runtime/autoload/netrw.vim
@@ -1777,7 +1777,7 @@
 
   " set up redirection
   if &srr =~ "%s"
-   let redir= substitute(&srr,"%s","/dev/null"."")
+   let redir= substitute(&srr,"%s","/dev/null","")
   else
    let redir= &srr . "/dev/null"
   endif