diff --git a/bin/buildpkg.in b/bin/buildpkg.in
index 371e9ce..961b3c0 100644
--- a/bin/buildpkg.in
+++ b/bin/buildpkg.in
@@ -151,7 +151,7 @@ eval_build_list "${list_dir_pkg}" "${build_list_pkg}"
 
 prepare_dir "${pkg_dir}"
 
-chown ${OWNER}:${OWNER} "${pkg_dir}"
+chown ${OWNER}:$(id --group ${OWNER}) "${pkg_dir}"
 
 init_base_devel