diff --git a/ocaml-libvirt.changes b/ocaml-libvirt.changes
index c1c63be..21211d0 100644
--- a/ocaml-libvirt.changes
+++ b/ocaml-libvirt.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Jul 17 20:24:18 UTC 2017 - ohering@suse.de
+
+- Since oasis 0.4.7 bytecode has no stublibs anymore
+
 -------------------------------------------------------------------
 Mon Jul 17 12:48:58 UTC 2017 - ohering@suse.de
 
diff --git a/ocaml-libvirt.spec b/ocaml-libvirt.spec
index 9899a83..b36d0c0 100644
--- a/ocaml-libvirt.spec
+++ b/ocaml-libvirt.spec
@@ -92,7 +92,7 @@ Library mllibvirt
  FindlibName: libvirt
  BuildDepends: unix
  CSources: libvirt_c.c
- CCOpt: -Wall -O2 -g -I$PWD -I$PWD/libvirt -Werror -D_GNU_SOURCE ${libvirt_cflags}
+ CCOpt: %{optflags} -I$PWD -I$PWD/libvirt -Werror -D_GNU_SOURCE ${libvirt_cflags}
  CCLib: ${libvirt_libs}
 
 Document libvirt
@@ -140,6 +140,7 @@ _EOF_
 %install
 %ocaml_oasis_findlib_install
 #
+%if 0%{?ocaml_native_compiler}
 mkdir -vp %{buildroot}/etc/ld.so.conf.d/
 tee %{buildroot}/etc/ld.so.conf.d/%{name}.conf <<_EOF_
 %{_libdir}/ocaml/libvirt
@@ -149,18 +150,19 @@ _EOF_
 %post   -p /sbin/ldconfig
 
 %postun -p /sbin/ldconfig
+%endif
 
 %files
 %defattr(-,root,root,-)
 %doc COPYING.LIB README
-/etc/ld.so.conf.d/*.conf
 %{_bindir}/*
 %dir %{_libdir}/ocaml
 %dir %{_libdir}/ocaml/*
 %if 0%{?ocaml_native_compiler}
 %{_libdir}/ocaml/*/*.cmxs
-%endif
 %{_libdir}/ocaml/*/*.so
+/etc/ld.so.conf.d/*.conf
+%endif
 
 %files devel
 %defattr(-,root,root,-)