diff --git a/ocaml-findlib.spec b/ocaml-findlib.spec
index 04900e2..0ee8d92 100644
--- a/ocaml-findlib.spec
+++ b/ocaml-findlib.spec
@@ -20,9 +20,7 @@
 Name:           ocaml-findlib
 Version:        1.7.3
 Release:        0
-%if %{defined ocaml_preserve_bytecode}
-%{ocaml_preserve_bytecode}
-%endif
+%{?ocaml_preserve_bytecode}
 Summary:        Objective CAML package manager and build helper
 License:        MIT
 Group:          Development/Libraries/Other