diff --git a/libmysofa.spec b/libmysofa.spec
index cc9f203..a22429e 100644
--- a/libmysofa.spec
+++ b/libmysofa.spec
@@ -1,3 +1,14 @@
+# Some tests are failing:
+# https://github.com/hoene/libmysofa/issues/129
+%ifarch s390x
+%global _without_tests 1
+%endif
+%if 0%{?el7:1}
+%ifarch ppc64le
+%global _without_tests 1
+%endif
+%endif
+
 Name:           libmysofa
 Version:        1.1
 Release:        1%{?dist}
@@ -15,7 +26,7 @@ BuildRequires:  gcc-c++
 BuildRequires:  pkgconfig(cunit)
 BuildRequires:  pkgconfig(zlib)
 # for tests
-BuildRequires:  nodejs
+%{?!_without_tests:BuildRequires: nodejs}
 
 
 %description
@@ -59,9 +70,11 @@ cd build
 %make_install
 
 
+%{?!_without_tests:
 %check
 cd build
-make test
+make test || (cat Testing/Temporary/LastTest.log && exit 1)
+}
 
 
 %ldconfig_scriptlets