diff --git a/guix.spec b/guix.spec
index f92df99..d7edfab 100644
--- a/guix.spec
+++ b/guix.spec
@@ -104,7 +104,7 @@ rm -rvf %{buildroot}%{_unitdir}
 rm -rvf %{buildroot}%{_libdir}/upstart
 %endif
 ln -sf %{_sbindir}/service %{buildroot}%{_sbindir}/rcguix-daemon
-install -m 0755 -t %{buildroot}%{_bindir}/%{SOURCE20}
+install -m 0755 -t %{buildroot}%{_bindir} %{SOURCE20}
 sed -i 's@^ExecStart=.*@ExecStart=/usr/bin/run_guix_daemon.sh@' %{buildroot}%{_unitdir}/guix-daemon.service
 
 %pre