diff --git a/zd1211-firmware.spec b/zd1211-firmware.spec
index 6d7fa04..8394925 100644
--- a/zd1211-firmware.spec
+++ b/zd1211-firmware.spec
@@ -10,7 +10,7 @@ Source0:	http://downloads.sourceforge.net/zd1211/zd1211-firmware-%{version}.tar.
 Patch0:		zd1211-firmware-1.4-build__from_headers.patch
 BuildRoot:	%{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 BuildArch:	noarch
-
+Conflicts:	filesystem < 3
 
 %description
 This package contains the firmware required to work with the zd1211 chipset.
@@ -26,7 +26,7 @@ make CFLAGS="$RPM_OPT_FLAGS" %{?_smp_mflags}
 
 %install
 rm -rf $RPM_BUILD_ROOT
-make install FW_DIR=$RPM_BUILD_ROOT/lib/firmware/zd1211 
+make install FW_DIR=$RPM_BUILD_ROOT%{_prefix}/lib/firmware/zd1211 
 
 
 %clean
@@ -35,8 +35,8 @@ rm -rf $RPM_BUILD_ROOT
 %files
 %defattr(-,root,root,-)
 %doc README COPYING
-%dir /lib/firmware/zd1211
-/lib/firmware/zd1211/*
+%dir %{_prefix}/lib/firmware/zd1211
+%{_prefix}/lib/firmware/zd1211/*
 
 
 %changelog