diff --git a/libtirpc.spec b/libtirpc.spec
index d3bc692..cac6254 100644
--- a/libtirpc.spec
+++ b/libtirpc.spec
@@ -6,7 +6,7 @@ Group:		  	System Environment/Libraries
 License:		GPL
 URL:  			http://nfsv4.bullopensource.org/
 
-BuildRoot:	  %{_tmppath}/%{name}-%{version}-root-%(%{__id_u} -n)
+BuildRoot:	  %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 Source0:		http://nfsv4.bullopensource.org/tarballs/tirpc/%{name}-%{version}.tar.bz2
 
 BuildRequires:		automake, autoconf, libtool, pkgconfig
@@ -51,7 +51,7 @@ developing programs which use the tirpc library.
 
 %build
 autoreconf -fisv
-%configure --enable-gss --prefix=%{buildroot}
+%configure --enable-gss
 make all
 
 %install
@@ -59,7 +59,7 @@ rm -rf %{buildroot}
 mkdir -p %{buildroot}/etc
 make install DESTDIR=%{buildroot}
 # Don't package .a or .la files
-rm -f $RPM_BUILD_ROOT%{_libdir}/*.{a,la}
+rm -f %{buildroot}%{_libdir}/*.{a,la}
 
 %post  -p /sbin/ldconfig
 
@@ -72,7 +72,7 @@ rm -rf %{buildroot}
 %defattr(-,root,root)
 %doc AUTHORS ChangeLog NEWS README
 %{_libdir}/libtirpc.so.*
-%{_sysconfdir}/netconfig
+%config(noreplace)%{_sysconfdir}/netconfig
 
 %files devel
 %defattr(0644,root,root,755)