diff --git a/libcrystalhd.spec b/libcrystalhd.spec
index 1779cde..f1daeac 100644
--- a/libcrystalhd.spec
+++ b/libcrystalhd.spec
@@ -41,6 +41,7 @@ License:       Redistributable, no modification permitted
 BuildArch:     noarch
 Group:         System Environment/Kernel
 Requires:      %{name} = %{version}-%{release}
+Conflicts:      filesystem < 3
 
 %description -n crystalhd-firmware
 Firmwares for the Broadcom Crystal HD (bcm970012 and bcm970015)
@@ -73,6 +74,8 @@ pushd linux_lib/libcrystalhd/ > /dev/null 2>&1
 make %{?_smp_mflags}
 popd > /dev/null 2>&1
 pushd filters/gst/gst-plugin/ > /dev/null 2>&1
+## FIXME: does not compile without -Wno-unused-but-set-variable
+export CFLAGS="%optflags -Wno-unused-but-set-variable"
 %configure
 make %{?_smp_mflags}
 popd > /dev/null 2>&1
@@ -86,8 +89,10 @@ pushd filters/gst/gst-plugin/ > /dev/null 2>&1
 make install DESTDIR=$RPM_BUILD_ROOT
 rm -f $RPM_BUILD_ROOT%{_libdir}/gstreamer-0.10/libgstbcmdec.{a,la}
 popd > /dev/null 2>&1
-cp -p %{SOURCE2} $RPM_BUILD_ROOT/lib/firmware/
-cp -p %{SOURCE3} $RPM_BUILD_ROOT/lib/firmware/
+mkdir -p $RPM_BUILD_ROOT%{_prefix}/lib
+mv $RPM_BUILD_ROOT/lib/firmware $RPM_BUILD_ROOT%{_prefix}/lib/firmware
+cp -p %{SOURCE2} $RPM_BUILD_ROOT%{_prefix}/lib/firmware/
+cp -p %{SOURCE3} $RPM_BUILD_ROOT%{_prefix}/lib/firmware/
 
 %clean
 rm -rf $RPM_BUILD_ROOT
@@ -110,8 +115,8 @@ rm -rf $RPM_BUILD_ROOT
 %files -n crystalhd-firmware
 %defattr(-,root,root,0755)
 %doc LICENSE
-/lib/firmware/bcm70012fw.bin
-/lib/firmware/bcm70015fw.bin
+%{_prefix}/lib/firmware/bcm70012fw.bin
+%{_prefix}/lib/firmware/bcm70015fw.bin
 
 %files -n gstreamer-plugin-crystalhd
 %defattr(-,root,root,0755)