diff --git a/ghc-JuicyPixels.spec b/ghc-JuicyPixels.spec
index d0982a4..71848c7 100644
--- a/ghc-JuicyPixels.spec
+++ b/ghc-JuicyPixels.spec
@@ -6,7 +6,7 @@
 
 Name:           ghc-%{pkg_name}
 Version:        3.2.9.5
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Picture loading and serialization
 
 License:        BSD
@@ -57,10 +57,6 @@ sed -i 's/\r$//' LICENSE
 
 
 %build
-# https://ghc.haskell.org/trac/ghc/ticket/15853
-%ifarch s390x
-cabal_configure_extra_options="--ghc-option=-O0"
-%endif
 # Begin cabal-rpm build:
 %ghc_lib_build
 # End cabal-rpm build
@@ -91,6 +87,9 @@ cabal_configure_extra_options="--ghc-option=-O0"
 
 
 %changelog
+* Mon Mar  4 2019 Jens Petersen <petersen@redhat.com> - 3.2.9.5-4
+- rebuild without -O0 for s390x
+
 * Sun Feb 17 2019 Jens Petersen <petersen@redhat.com> - 3.2.9.5-3
 - refresh to cabal-rpm-0.13