diff --git a/tlp.spec b/tlp.spec
index 2faf7a4..20a6f95 100644
--- a/tlp.spec
+++ b/tlp.spec
@@ -47,15 +47,14 @@ based on dock events and the Network Manager connection status.
 
 %prep
 %autosetup -n TLP-%{version}
-#This isn't necessary for fc18+, but it makes packaging easier:
-sed -i 's|= /lib/|= /usr/lib/|g' Makefile
 
 %build
 make
 
 %install
 make install DESTDIR=%{buildroot} TLP_NO_INIT=1 \
-             TLP_NO_PMUTILS=1 TLP_WITH_SYSTEMD=1
+             TLP_NO_PMUTILS=1 TLP_WITH_SYSTEMD=1 \
+             TLP_SYSD=%{_unitdir} TLP_ULIB=%{_udevrulesdir}/..
 #Install manpages:
 make install-man DESTDIR=%{buildroot}
 #Install preset (source 1):