diff --git a/test/tap/legacy-platform-all.js b/test/tap/legacy-platform-all.js
index 01c7be7ec1c86..de7e635a0d1a6 100644
--- a/test/tap/legacy-platform-all.js
+++ b/test/tap/legacy-platform-all.js
@@ -36,6 +36,9 @@ var fixture = new Tacks(
         'arm64',
         'mips',
         'ia32',
+        'ppc64',
+        'ppc64el',
+        's390x',
         'x64',
         'sparc'
       ]