diff --git a/pypy3.spec b/pypy3.spec
index 8652182..ea45edf 100644
--- a/pypy3.spec
+++ b/pypy3.spec
@@ -11,6 +11,9 @@ Group:          Development/Languages
 License:        MIT and Python and UCD
 URL:            http://pypy.org/
 
+# Not available yet
+ExcludeArch: aarch64 s390 s390x
+
 # High-level configuration of the build:
 
 # PyPy consists of an implementation of an interpreter (with JIT compilation)