diff --git a/libpng12.spec b/libpng12.spec
index 540da64..681632a 100644
--- a/libpng12.spec
+++ b/libpng12.spec
@@ -1,7 +1,7 @@
 Summary: Old version of libpng, needed to run old binaries
 Name: libpng12
 Version: 1.2.50
-Release: 1%{?dist}
+Release: 2%{?dist}
 License: zlib
 Group: System Environment/Libraries
 URL: http://www.libpng.org/pub/png/
@@ -27,7 +27,7 @@ version of libpng.
 %package devel
 Summary: Development files for libpng 1.2
 Group: Development/Libraries
-Requires: %{name}%{?_isa} = %{epoch}:%{version}-%{release}
+Requires: %{name}%{?_isa} = %{version}-%{release}
 Requires: zlib-devel%{?_isa} pkgconfig%{?_isa}
 Conflicts: libpng-devel
 
@@ -73,6 +73,10 @@ rm -rf $RPM_BUILD_ROOT%{_mandir}/man5/*
 %{_mandir}/man3/*
 
 %changelog
+* Wed Aug 22 2012 Tom Lane <tgl@redhat.com> 1.2.50-2
+- Remove unnecessary use of epoch
+Related: #850628
+
 * Fri Aug  3 2012 Tom Lane <tgl@redhat.com> 1.2.50-1
 - Update to 1.2.50 (just on general principles)
 - Add Obsoletes: libpng-compat