diff --git a/pcre.spec b/pcre.spec
index edd5f66..7bad480 100644
--- a/pcre.spec
+++ b/pcre.spec
@@ -2,7 +2,7 @@
 #%%global rcversion RC1
 Name: pcre
 Version: 8.34
-Release: %{?rcversion:0.}2%{?rcversion:.%rcversion}%{?dist}
+Release: %{?rcversion:0.}3%{?rcversion:.%rcversion}%{?dist}
 %global myversion %{version}%{?rcversion:-%rcversion}
 Summary: Perl-compatible regular expression library
 Group: System Environment/Libraries
@@ -89,7 +89,7 @@ rm -f $RPM_BUILD_ROOT%{_libdir}/*.la
 rm -rf $RPM_BUILD_ROOT%{_docdir}/pcre
 
 %check
-%ifarch s390 ppc
+%ifarch s390 s390x ppc
 # larger stack is needed on s390, ppc
 ulimit -s 10240
 %endif
@@ -124,6 +124,9 @@ make check
 %{_mandir}/man1/pcretest.*
 
 %changelog
+* Tue Jan 21 2014 Dan Horák <dan[at]danny.cz> - 8.34-3
+- enlarge stack for tests on s390x
+
 * Thu Jan 09 2014 Petr Pisar <ppisar@redhat.com> - 8.34-2
 - Fix jitted range check (bug #1048097)