diff --git a/ghc-rpm-macros.spec b/ghc-rpm-macros.spec
index 61f3c89..a98170e 100644
--- a/ghc-rpm-macros.spec
+++ b/ghc-rpm-macros.spec
@@ -215,6 +215,7 @@ EOF
 
 %changelog
 * Tue Jul 21 2020 Jens Petersen <petersen@redhat.com> - 2.0.12-1
+- make doc packages noarch for subpackaging
 - obsoletes for ghc-gtksourceview2
 
 * Wed Jun 24 2020 Jens Petersen <petersen@redhat.com> - 2.0.11-1
diff --git a/macros.ghc-extra b/macros.ghc-extra
index 54e9c75..345f93c 100644
--- a/macros.ghc-extra
+++ b/macros.ghc-extra
@@ -50,6 +50,7 @@ This package provides the Haskell %{pkgname} library development files.\
 Summary:        Haskell %{pkgname} library documentation\
 %{?1:Version:        %{pkgver}}\
 %{-l:License:        %{-l*}}\
+BuildArch:      noarch\
 Supplements:    (%{basepkg}-devel and ghc-doc)\
 \
 %description -n %{basepkg}-doc\