diff --git a/libvirt.spec.in b/libvirt.spec.in
index de4ae5e633..081ab98ab0 100644
--- a/libvirt.spec.in
+++ b/libvirt.spec.in
@@ -404,7 +404,11 @@ BuildRequires: augeas
 BuildRequires: hal-devel
 %endif
 %if %{with_udev}
+%if 0%{?fedora} >= 18 || 0%{?rhel} >= 7
+BuildRequires: systemd-devel >= 185
+%else
 BuildRequires: libudev-devel >= 145
+%endif
 BuildRequires: libpciaccess-devel >= 0.10.9
 %endif
 %if %{with_yajl}