diff -Nrup a/ghc-rpm-macros.ghc-extra b/ghc-rpm-macros.ghc-extra
--- a/ghc-rpm-macros.ghc-extra	2013-04-24 09:08:41.000000000 +0200
+++ b/ghc-rpm-macros.ghc-extra	2013-10-08 13:42:47.232096618 +0200
@@ -21,6 +21,7 @@
 %define basepkg ghc-%{pkgname}\
 %package -n %{basepkg}\
 Summary:        %{?common_summary}%{!?common_summary:Haskell %{pkgname} library}\
+Group:          System/Libraries\
 %{?1:Version:        %{pkgver}}\
 %{-l:License:        %{-l*}}\
 %{?ghc_pkg_obsoletes:Obsoletes:      %(echo "%{ghc_pkg_obsoletes}" | sed -e "s/\\(ghc-[^, ]*\\)-devel/\\1/g")}
@@ -72,6 +73,7 @@ Summary:        %{?common_summary}%{!?co
 %define basepkg ghc-%{pkgname}\
 %package -n %{basepkg}-devel\
 Summary:        %{?common_summary}%{!?common_summary:Haskell %{pkgname} library} development files\
+Group:          Development/Languages/Other\
 %{?1:Version:        %{pkgver}}\
 %{-l:License:        %{-l*}}\
 %{?ghc_devel_requires}\