diff --git a/NetworkManager-fortisslvpn.spec b/NetworkManager-fortisslvpn.spec
index 48833e1..e57a3ff 100644
--- a/NetworkManager-fortisslvpn.spec
+++ b/NetworkManager-fortisslvpn.spec
@@ -1,7 +1,14 @@
+%if 0%{?fedora} < 28 && 0%{?rhel} < 8
+%bcond_with libnm_glib
+%else
+# Disable the legacy version by default
+%bcond_without libnm_glib
+%endif
+
 Summary:   NetworkManager VPN plugin for Fortinet compatible SSLVPN
 Name:      NetworkManager-fortisslvpn
 Version:   1.2.6
-Release:   3%{?dist}
+Release:   4%{?dist}
 License:   GPLv2+
 URL:       http://www.gnome.org/projects/NetworkManager/
 Group:     System Environment/Base
@@ -14,23 +21,24 @@ Patch1:  0001-build-fix-building-pppd-plugin.patch
 BuildRequires: gtk3-devel >= 3.4
 BuildRequires: dbus-devel >= 0.74
 BuildRequires: NetworkManager-devel >= 1:1.2.0
-BuildRequires: NetworkManager-glib-devel >= 1:1.2.0
 BuildRequires: NetworkManager-libnm-devel >= 1:1.2.0
 BuildRequires: glib2-devel >= 2.32
 BuildRequires: ppp-devel
 BuildRequires: libtool intltool gettext
 BuildRequires: libsecret-devel
-BuildRequires: libnm-gtk-devel >= 1.2.0
 BuildRequires: libnma-devel >= 1.2.0
 
+%if %with libnm_glib
+BuildRequires: NetworkManager-glib-devel >= 1:1.2.0
+BuildRequires: libnm-gtk-devel >= 1.2.0
+%endif
+
 Requires: dbus
 Requires: NetworkManager >= 1:1.2.0
 Requires: openfortivpn
 Requires: ppp = %{ppp_version}
 
-%global _privatelibs libnm-fortisslvpn-properties[.]so.*
-%global __provides_exclude ^(%{_privatelibs})$
-%global __requires_exclude ^(%{_privatelibs})$
+%global __provides_exclude ^libnm-.*\\.so
 
 
 %description
@@ -57,6 +65,9 @@ the Fortinet compatible SSLVPN server with NetworkManager (GNOME files).
 %build
 %configure \
         --disable-static \
+%if %without libnm_glib
+	--without-libnm-glib \
+%endif
         --with-pppd-plugin-dir=%{_libdir}/pppd/%{ppp_version} \
         --with-dist-version=%{version}-%{release}
 make %{?_smp_mflags}
@@ -91,14 +102,20 @@ mkdir %{buildroot}%{_sharedstatedir}/NetworkManager-fortisslvpn
 
 %files -n NetworkManager-fortisslvpn-gnome
 %{_libexecdir}/nm-fortisslvpn-auth-dialog
-%{_libdir}/NetworkManager/libnm-*-properties.so
 %{_libdir}/NetworkManager/libnm-vpn-plugin-fortisslvpn-editor.so
-%{_sysconfdir}/NetworkManager/VPN/nm-fortisslvpn-service.name
 %{_libdir}/NetworkManager/lib*.so*
 %{_datadir}/appdata/network-manager-fortisslvpn.metainfo.xml
 
+%if %with libnm_glib
+%{_libdir}/NetworkManager/libnm-*-properties.so
+%{_sysconfdir}/NetworkManager/VPN/nm-fortisslvpn-service.name
+%endif
+
 
 %changelog
+* Thu Nov 30 2017 Lubomir Rintel <lkundrak@v3.sk> - 1.2.6-4
+- Drop libnm-glib for Fedora 28
+
 * Wed Nov 15 2017 Thomas Haller <thaller@redhat.com> - 1.2.6-3
 - Fix broken plugin due to invalid linking of pppd plugin (rh #1512606) (2)