diff --git a/gnuprumcu.changes b/gnuprumcu.changes
index 908f61a..a861aa3 100644
--- a/gnuprumcu.changes
+++ b/gnuprumcu.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Oct 17 07:46:46 UTC 2023 - Richard Biener <rguenther@suse.com>
+
+- Restrict building to %arm which is how we restrict cross-pru-gcc
+  builds to.
+
 -------------------------------------------------------------------
 Mon Aug 22 09:08:23 UTC 2022 - Martin Liška <mliska@suse.cz>
 
diff --git a/gnuprumcu.spec b/gnuprumcu.spec
index 357308b..feb22d8 100644
--- a/gnuprumcu.spec
+++ b/gnuprumcu.spec
@@ -1,7 +1,7 @@
 #
-# spec file for package gnuprumcu-devel
+# spec file for package gnuprumcu
 #
-# Copyright (c) 2022 SUSE LLC
+# Copyright (c) 2023 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -28,6 +28,7 @@ BuildRequires:  cross-pru-gcc%{gcc_version}
 BuildRequires:  cross-pru-newlib-devel
 BuildRequires:  fdupes
 BuildArch:      noarch
+ExclusiveArch:  %arm
 
 %description
 This package contains the linker scripts, device specs and I/O headers for the