diff --git a/HepMC.spec b/HepMC.spec
index 198b008..e0ab42b 100644
--- a/HepMC.spec
+++ b/HepMC.spec
@@ -2,7 +2,7 @@
 
 Name:		HepMC
 Version:	2.06.09
-Release:	14%{?dist}
+Release:	15%{?dist}
 Summary:	C++ Event Record for Monte Carlo Generators
 Group:		System Environment/Libraries
 
@@ -61,7 +61,7 @@ This package provides HepMC manuals and examples.
 
 %build
 # take care of testSimpleVector failure
-%ifarch aarch64 %{power64}
+%ifarch aarch64 %{power64} s390 s390x
 export CXXFLAGS="$RPM_OPT_FLAGS -ffp-contract=off"
 %endif
 %configure --with-momentum=GEV --with-length=MM --disable-static
@@ -119,6 +119,9 @@ rm -rf %{buildroot}
 %doc %{_pkgdocdir}/COPYING
 
 %changelog
+* Fri Oct 07 2016 Dan Horák <dan[at]danny.cz> - 2.06.09-15
+- disable FMA on s390(x)
+
 * Wed Feb 03 2016 Fedora Release Engineering <releng@fedoraproject.org> - 2.06.09-14
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild