diff --git a/xorg-x11-util-macros.spec b/xorg-x11-util-macros.spec
index 9d7d32c..70a9449 100644
--- a/xorg-x11-util-macros.spec
+++ b/xorg-x11-util-macros.spec
@@ -8,7 +8,7 @@ Release: 1
 License: The Open Group License
 Group: Development/System
 URL: http://www.x.org
-BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-buildroot
+BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
 Source0:  ftp://ftp.x.org/pub/individual/util/util-macros-%{version}.tar.bz2