diff --git a/qgnomeplatform.spec b/qgnomeplatform.spec
index 1637c72..bfdc81f 100644
--- a/qgnomeplatform.spec
+++ b/qgnomeplatform.spec
@@ -1,3 +1,6 @@
+# FIXME: qt6-qtdeclarative doesn't build on S390x
+# BUG: https://bugreports.qt.io/browse/QTBUG-93101
+ExcludeArch: s390x
 
 Name:           qgnomeplatform
 Version:        0.8.1