diff --git a/sane-backends.spec b/sane-backends.spec
index 8ed0e9e..bbd1c7c 100644
--- a/sane-backends.spec
+++ b/sane-backends.spec
@@ -92,7 +92,9 @@ Group: System Environment/Libraries
 Requires: sane-backends = %{?epoch:%{epoch}:}%{version}-%{release}
 Requires: sane-backends-libs%{?_isa} = %{?epoch:%{epoch}:}%{version}-%{release}
 Obsoletes: sane-backends < 1.0.22-4
+Obsoletes: sane-backends-libs < 1.0.22-4
 Conflicts: sane-backends < 1.0.22-4
+Conflicts: sane-backends-libs < 1.0.22-4
 
 %description drivers-scanners
 This package contains backend drivers to access scanner hardware through SANE.
@@ -203,6 +205,7 @@ rm -rf %{buildroot}
 %changelog
 * Mon Oct 10 2011 Nils Philippsen <nils@redhat.com> - 1.0.22-5
 - multilib: let -devel depend on -drivers-* on F-16 and earlier (#740992)
+- multilib: make -drivers-scanners obsolete old -libs as well
 
 * Fri Sep 16 2011 Nils Philippsen <nils@redhat.com> - 1.0.22-4
 - multilib: always use pkg-config in sane-config (#707910)