diff --git a/js/src/tests/jstests.list b/js/src/tests/jstests.list
index df908cc..8319df2 100644
--- a/js/src/tests/jstests.list
+++ b/js/src/tests/jstests.list
@@ -447,6 +447,10 @@ skip script test262/language/expressions/assignment/destructuring/iterator-destr
 # https://bugzilla.mozilla.org/show_bug.cgi?id=1321616
 skip script test262/annexB/built-ins/Function/createdynfn-html-close-comment-params.js
 
+# Crashes on s390x and ppc64, avoid it
+#
+skip-if(xulRuntime.XPCOMABI.match(/s390x|ppc64-/)) script non262/extensions/clone-errors.js
+
 
 ###########################################################
 # Tests disabled due to issues in test262 importer script #