diff --git a/linux-firmware.spec b/linux-firmware.spec
index 6e643ae..b6708ab 100644
--- a/linux-firmware.spec
+++ b/linux-firmware.spec
@@ -17,6 +17,7 @@ Obsoletes:	ueagle-atm4-firmware < 1.0-5
 # whatever happens to be in the last checkout.
 Requires:	netxen-firmware
 Requires:	udev
+Conflicts:	filesystem < 3
 
 %description
 Kernel-firmware includes firmware files required for some devices to
@@ -43,9 +44,9 @@ rm -f usbdux/*dux */*.asm
 
 %install
 rm -rf $RPM_BUILD_ROOT
-mkdir -p $RPM_BUILD_ROOT/lib/firmware
-cp -r * $RPM_BUILD_ROOT/lib/firmware
-rm $RPM_BUILD_ROOT/lib/firmware/{WHENCE,LICENCE.*,LICENSE.*}
+mkdir -p $RPM_BUILD_ROOT%{_prefix}/lib/firmware
+cp -r * $RPM_BUILD_ROOT%{_prefix}/lib/firmware
+rm $RPM_BUILD_ROOT%{_prefix}/lib/firmware/{WHENCE,LICENCE.*,LICENSE.*}
 
 %clean
 rm -rf $RPM_BUILD_ROOT
@@ -54,7 +55,7 @@ rm -rf $RPM_BUILD_ROOT
 %files
 %defattr(-,root,root,-)
 %doc WHENCE LICENCE.* LICENSE.*
-/lib/firmware/*
+%{_prefix}/lib/firmware/*
 
 %changelog
 * Thu Aug 04 2011 Tom Callaway <spot@fedoraproject.org> 20110731-2