diff --git a/esc.spec b/esc.spec
index 858bb45..483fe2b 100644
--- a/esc.spec
+++ b/esc.spec
@@ -22,6 +22,9 @@ BuildRequires: desktop-file-utils zip binutils
 Requires: pcsc-lite ifd-egate coolkey
 Requires: gtk+ freetype zip nspr nss
 
+# 390 does not have coolkey or smartCards
+ExcludeArch: s390 s390x
+
 #%define __prelink_undo_cmd %{nil}
 %define escname %{name}-%{version}
 %define escdir %{_libdir}/%{escname}