diff --git a/dune.module b/dune.module
index bffa16cb6075f21bd15b724826779edb1938ad30..0d1fe98031ce5a59acd971dc17515dc683272d00 100644
--- a/dune.module
+++ b/dune.module
@@ -2,3 +2,4 @@ Module: dune-istl
 Version: 2.3-svn
 Maintainer: dune-devel@dune-project.org
 Depends: dune-common (>= 2.3)
+Whitespace-Hook: Yes