diff --git a/krb5-auth-dialog.spec b/krb5-auth-dialog.spec
index 8e5e311..da62ce6 100644
--- a/krb5-auth-dialog.spec
+++ b/krb5-auth-dialog.spec
@@ -13,7 +13,9 @@ Source0: %{name}-%{version}.tar.gz
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root
 BuildRequires: libgnomeui-devel >= %{libgnomeui_version}
 BuildRequires: krb5-devel >= %{krb5_version}
+%ifnarch s390 s390x
 BuildRequires: NetworkManager-gnome >= %{libnm_version}
+%endif
 Requires: libgnomeui >= %{libgnomeui_version}
 Requires: krb5-libs >= %{krb5_version}