diff --git a/packaging/cockpit-starter-kit.spec.in b/packaging/cockpit-starter-kit.spec.in
index ef8ea6b..fdda0f5 100644
--- a/packaging/cockpit-starter-kit.spec.in
+++ b/packaging/cockpit-starter-kit.spec.in
@@ -7,6 +7,7 @@ License: LGPLv2+
 Source0: https://github.com/cockpit-project/starter-kit/releases/download/%{version}/%{name}-%{version}.tar.xz
 Source1: https://github.com/cockpit-project/starter-kit/releases/download/%{version}/%{name}-node-%{version}.tar.xz
 BuildArch: noarch
+ExclusiveArch: %{nodejs_arches} noarch
 %if 0%{?fedora}
 BuildRequires: nodejs-devel
 %endif