diff --git a/sane-backends.spec b/sane-backends.spec
index 4fedebe..5072a2f 100644
--- a/sane-backends.spec
+++ b/sane-backends.spec
@@ -1,7 +1,7 @@
 Summary: Scanner access software
 Name: sane-backends
 Version: 1.0.19
-Release: 7%{?dist}
+Release: 8%{?dist}
 License: GPL (programs), relaxed LGPL (libraries), and public domain (docs)
 Group: System Environment/Libraries
 Source0: ftp://ftp.sane-project.org/pub/sane/%{name}-%{version}/%{name}-%{version}.tar.gz
@@ -42,6 +42,8 @@ Requires: libusb-devel
 Requires: libieee1284-devel
 Requires: pkgconfig
 Requires: gphoto2-devel
+Requires: sane-backends-libs-%{_arch} = %{?epoch:%{epoch}:}%{version}-%{release}
+Requires: sane-backends-libs-gphoto2-%{_arch} = %{?epoch:%{epoch}:}%{version}-%{release}
 
 %description devel
 This package contains static libraries and header files for writing Scanner
@@ -63,6 +65,7 @@ want to access scanners.
 %package libs-gphoto2
 Summary: SANE libraries for gphoto2
 Group: System Environment/Libraries
+Provides: sane-backends-libs-gphoto2-%{_arch} = %{?epoch:%{epoch}:}%{version}-%{release}
 Requires: sane-backends-libs-%{_arch} = %{?epoch:%{epoch}:}%{version}-%{release}
 
 %description libs-gphoto2
@@ -156,6 +159,9 @@ rm -rf %{buildroot}
 %{_libdir}/pkgconfig/sane-backends.pc
 
 %changelog
+* Fri Mar 14 2008 Nils Philippsen <nphilipp@redhat.com> - 1.0.19-8
+- add arch-specific provides/requires to/for libs-gphoto2 subpackage (#436657)
+
 * Mon Mar 10 2008 Nils Philippsen <nphilipp@redhat.com> - 1.0.19-7
 - remove ancient sane-devel obsoletes/provides
 - remove libs/doc/gphoto2 conditionals