diff --git a/tools/test-case-generators/distro-arch-imagetype-map.json b/tools/test-case-generators/distro-arch-imagetype-map.json
index bdc83cdb2..ec27a4522 100644
--- a/tools/test-case-generators/distro-arch-imagetype-map.json
+++ b/tools/test-case-generators/distro-arch-imagetype-map.json
@@ -265,6 +265,10 @@
         "ppc64le": [
             "qcow2",
             "tar"
+        ],
+        "s390x": [
+            "qcow2",
+            "tar"
         ]
     }
 }