diff --git a/openmpi.spec b/openmpi.spec
index 3cf1272..83fc19f 100644
--- a/openmpi.spec
+++ b/openmpi.spec
@@ -19,11 +19,12 @@
 
 Name:			openmpi%{?_cc_name_suffix}
 Version:		1.5.4
-Release:		3%{?dist}
+Release:		4%{?dist}
 Summary:		Open Message Passing Interface
 Group:			Development/Libraries
 License:		BSD, MIT and Romio
 URL:			http://www.open-mpi.org/
+
 # We can't use %{name} here because of _cc_name_suffix
 #Source0:		http://www.open-mpi.org/software/ompi/v1.5/downloads/openmpi-%{version}.tar.bz2
 # openmpi-%{version}-clean.tar.bz2 was generated by taking the upstream tarball
@@ -34,7 +35,7 @@ Source1:		openmpi.module.in
 Source2:		macros.openmpi
 # Patch to handle removed items
 Patch0:			openmpi-removed.patch
-BuildRoot:		%{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
+
 BuildRequires:		gcc-gfortran, libtool, numactl-devel
 #sparc 64 doesnt have valgrind
 %ifnarch %{sparc}
@@ -155,7 +156,6 @@ XFLAGS="-fPIC"
 make %{?_smp_mflags}
 
 %install
-rm -rf %{buildroot}
 make install DESTDIR=%{buildroot}
 rm -fr %{buildroot}%{_libdir}/%{name}/lib/pkgconfig
 find %{buildroot}%{_libdir}/%{name}/lib -name \*.la | xargs rm
@@ -177,9 +177,6 @@ cp %SOURCE2 %{buildroot}/%{_sysconfdir}/rpm/macros.%{namearch}
 mkdir -p %{buildroot}/%{_fmoddir}/%{namearch}
 mkdir -p %{buildroot}/%{python_sitearch}/openmpi%{?_cc_name_suffix}
 
-%clean
-rm -rf %{buildroot}
-
 %files
 %defattr(-,root,root,-)
 %dir %{_libdir}/%{name}
@@ -239,6 +236,9 @@ rm -rf %{buildroot}
 %{_sysconfdir}/rpm/macros.%{namearch}
 
 %changelog
+* Wed Feb 15 2012 Peter Robinson <pbrobinson@fedoraproject.org> - 1.5.4-4
+- Rebuild for howloc soname bump
+
 * Fri Jan 20 2012 Doug Ledford <dledford@redhat.com> - 1.5.4-3
 - Move modules file to mpi directory and make it conflict with any other
   mpi module (bug #651074)