diff --git a/ocaml-fileutils.spec b/ocaml-fileutils.spec
index db50171..0ad86f8 100644
--- a/ocaml-fileutils.spec
+++ b/ocaml-fileutils.spec
@@ -75,7 +75,7 @@ developing applications that use %{name}.
 %doc COPYING.txt
 %dir %{_libdir}/ocaml
 %dir %{_libdir}/ocaml/*
-%if %{defined ocaml_native_compiler}
+%if 0%{?ocaml_native_compiler}
 %{_libdir}/ocaml/*/*.cmxs
 %endif
 
@@ -85,7 +85,7 @@ developing applications that use %{name}.
 %{oasis_docdir_html}
 %dir %{_libdir}/ocaml
 %dir %{_libdir}/ocaml/*
-%if %{defined ocaml_native_compiler}
+%if 0%{?ocaml_native_compiler}
 %{_libdir}/ocaml/*/*.a
 %{_libdir}/ocaml/*/*.cmx
 %{_libdir}/ocaml/*/*.cmxa