diff --git a/lcms2.spec b/lcms2.spec
index 05da4b2..c0a3310 100644
--- a/lcms2.spec
+++ b/lcms2.spec
@@ -2,9 +2,11 @@ Name:           lcms2
 Version:        2.7
 Release:        3%{?dist}
 Summary:        Color Management Engine
+Group:          System Environment/Libraries
 License:        MIT
 URL:            http://www.littlecms.com/
 Source0:        http://www.littlecms.com/lcms2-2.7.tar.gz
+BuildRoot:      %(mktemp -ud %{_tmppath}/%{name}-%{version}-%{release}-XXXXXX)
 
 BuildRequires:  libjpeg-devel
 BuildRequires:  libtiff-devel