diff --git a/cx18-firmware.spec b/cx18-firmware.spec
index 41d201b..9fbf215 100644
--- a/cx18-firmware.spec
+++ b/cx18-firmware.spec
@@ -7,6 +7,7 @@ Group: System Environment/Kernel
 URL: http://dl.ivtvdriver.org/ivtv/firmware/
 Source0: http://dl.ivtvdriver.org/ivtv/firmware/%{name}-%{version}.tar.gz
 BuildArch: noarch
+Conflicts: filesystem < 3
 
 %description
 This package contains the firmware for Conexant cx23418-based
@@ -19,9 +20,9 @@ video capture devices, such as the Hauppauge WinTV HVR-1600.
 
 %install
 rm -rf %{buildroot}
-mkdir -p %{buildroot}/lib/firmware
+mkdir -p %{buildroot}/%{_prefix}/lib/firmware
 
-install -p *.fw %{buildroot}/lib/firmware/
+install -p *.fw %{buildroot}/%{_prefix}/lib/firmware/
 
 %clean
 rm -rf %{buildroot}
@@ -29,7 +30,7 @@ rm -rf %{buildroot}
 %files
 %defattr(-,root,root,-)
 %doc *.pdf LICENSE
-/lib/firmware/v4l-cx23418*.fw
+%{_prefix}/lib/firmware/v4l-cx23418*.fw
 
 %changelog
 * Tue Feb 08 2011 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 20080628-4