diff --git a/vconfig.spec b/vconfig.spec
index 6d54ba6..de5a165 100644
--- a/vconfig.spec
+++ b/vconfig.spec
@@ -6,8 +6,8 @@ License: GPLv2+
 Group: System Environment/Base
 Source: http://www.candelatech.com/~greear/vlan/vlan.%{version}.tar.gz
 URL: http://www.candelatech.com/~greear/vlan.html
+Conflicts: filesystem < 3
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
-%define _sbin /sbin
 
 %description 
 The vconfig program configures and adjusts 802.1q VLAN parameters.
@@ -22,7 +22,7 @@ make CCFLAGS="%{optflags}" STRIP=/bin/true vconfig
 
 %install
 rm -rf ${RPM_BUILD_ROOT}
-%{__install} -D -m755 vconfig ${RPM_BUILD_ROOT}%{_sbin}/vconfig
+%{__install} -D -m755 vconfig ${RPM_BUILD_ROOT}%{_sbindir}/vconfig
 %{__install} -D -m644 vconfig.8 ${RPM_BUILD_ROOT}%{_mandir}/man8/vconfig.8
 rm -rf contrib/CVS
 
@@ -32,7 +32,7 @@ rm -rf ${RPM_BUILD_ROOT}
 %files 
 %defattr(-, root, root, 0755)
 %doc CHANGELOG contrib README vlan.html vlan_test.pl
-%{_sbin}/vconfig
+%{_sbindir}/vconfig
 %{_mandir}/man8/vconfig.8*
 
 %changelog