diff --git a/thunderbird.spec b/thunderbird.spec
index 0ea6343..75e046e 100644
--- a/thunderbird.spec
+++ b/thunderbird.spec
@@ -1,3 +1,6 @@
+# Disabled due to https://pagure.io/fedora-infrastructure/issue/7581
+ExcludeArch: s390x
+
 # Use system nspr/nss?
 %define system_nss        1