diff --git a/ghc-digest.spec b/ghc-digest.spec
index 901e3b1..df5e4c2 100644
--- a/ghc-digest.spec
+++ b/ghc-digest.spec
@@ -6,7 +6,7 @@
 
 Name:           ghc-%{pkg_name}
 Version:        0.0.1.2
-Release:        13%{?dist}
+Release:        14%{?dist}
 Summary:        Cryptographic hashes for bytestrings
 
 License:        BSD
@@ -17,7 +17,7 @@ BuildRequires:  ghc-Cabal-devel
 BuildRequires:  ghc-rpm-macros
 # Begin cabal-rpm deps:
 BuildRequires:  ghc-bytestring-devel
-BuildRequires:  zlib-devel%{?_isa}
+BuildRequires:  zlib-devel
 # End cabal-rpm deps
 
 %description
@@ -72,6 +72,9 @@ This package provides the Haskell %{pkg_name} library development files.
 
 
 %changelog
+* Thu Feb 15 2018 Jens Petersen <petersen@redhat.com> - 0.0.1.2-14
+- remove _isa from buildrequires (#1545177)
+
 * Wed Feb 07 2018 Fedora Release Engineering <releng@fedoraproject.org> - 0.0.1.2-13
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild