diff --git a/ipw2100-firmware.spec b/ipw2100-firmware.spec
index 7e6b603..0455ae0 100644
--- a/ipw2100-firmware.spec
+++ b/ipw2100-firmware.spec
@@ -11,11 +11,12 @@ BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root
 BuildArch: noarch
 # This is so that the noarch packages only appears for these archs
 ExclusiveArch: noarch i386 x86_64
+Conflicts: filesystem < 3
 
 %description
 This package contains the firmware files required by the ipw2100 driver for
 Linux. Usage of the firmware is subject to the terms and conditions contained
-in /lib/firmware/LICENSE.ipw2100. Please read it carefully.
+in %{_prefix}/lib/firmware/LICENSE.ipw2100. Please read it carefully.
 
 
 %prep
@@ -27,13 +28,13 @@ in /lib/firmware/LICENSE.ipw2100. Please read it carefully.
 
 %install
 %{__rm} -rf %{buildroot} _doc/
-%{__mkdir_p} %{buildroot}/lib/firmware
+%{__mkdir_p} %{buildroot}%{_prefix}/lib/firmware
 # Terms state that the LICENSE *must* be in the same directory as the firmware
-%{__install} -p -m 0644 *.fw %{buildroot}/lib/firmware/
-%{__install} -p -m 0644 LICENSE %{buildroot}/lib/firmware/LICENSE.ipw2100
+%{__install} -p -m 0644 *.fw %{buildroot}%{_prefix}/lib/firmware/
+%{__install} -p -m 0644 LICENSE %{buildroot}%{_prefix}/lib/firmware/LICENSE.ipw2100
 # Symlink to include as %%doc
 %{__mkdir} _doc
-%{__ln_s} /lib/firmware/LICENSE.ipw2100 _doc/LICENSE
+%{__ln_s} %{_prefix}/lib/firmware/LICENSE.ipw2100 _doc/LICENSE
 
 
 %clean
@@ -43,8 +44,8 @@ in /lib/firmware/LICENSE.ipw2100. Please read it carefully.
 %files
 %defattr(-,root,root,-)
 %doc _doc/*
-/lib/firmware/LICENSE.ipw2100
-/lib/firmware/*.fw
+%{_prefix}/lib/firmware/LICENSE.ipw2100
+%{_prefix}/lib/firmware/*.fw
 
 
 %changelog