diff --git a/petsc.spec b/petsc.spec
index 5aa7f5b..9a55a3e 100644
--- a/petsc.spec
+++ b/petsc.spec
@@ -104,14 +104,11 @@
 %bcond_without hypre
 %endif
 
-# 64bit-int libs not built
-# bz#1382916
 %if %{?__isa_bits:%{__isa_bits}}%{!?__isa_bits:32} == 64
-# blas64 not in el6
 %if 0%{?el6}
-%bcond_with arch64
+%bcond_without arch64
 %else
-%bcond_with arch64
+%bcond_without arch64
 %endif
 %else
 %bcond_with arch64
@@ -129,7 +126,7 @@
 Name:    petsc
 Summary: Portable Extensible Toolkit for Scientific Computation
 Version: %{releasever}.1
-Release: 2%{?dist}
+Release: 3%{?dist}
 License: BSD
 URL:     https://www.mcs.anl.gov/petsc
 Source0: http://ftp.mcs.anl.gov/pub/petsc/release-snapshots/petsc-%{version}.tar.gz
@@ -1053,6 +1050,9 @@ make -C buildmpich_dir test
 %endif
 
 %changelog
+* Sun Dec 03 2017 Antonio Trande <sagitter@fedoraproject.org> - 3.8.1-3
+- Build 64-bit integer libraries on epel7
+
 * Sun Dec 03 2017 Antonio Trande <sagitter@fedoraproject.org> - 3.8.1-2
 - Fix Fortran MPI library path on epel