diff --git a/ocaml-base64.spec b/ocaml-base64.spec
index 4ad42f6..157826a 100644
--- a/ocaml-base64.spec
+++ b/ocaml-base64.spec
@@ -1,10 +1,10 @@
-# There's a problem building the debugsource package which I don't
-# understand.  This should be solvable in future.
+%ifnarch %{ocaml_native_compiler}
 %global debug_package %{nil}
+%endif
 
 Name:           ocaml-base64
 Version:        3.4.0
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Base64 library for OCaml
 
 License:        ISC
@@ -51,6 +51,11 @@ find %{buildroot}%{_libdir}/ocaml -name \*.ml -delete
 # We install the documentation with the doc macro
 rm -fr %{buildroot}%{_prefix}/doc
 
+%ifarch %{ocaml_native_compiler}
+# Add missing executable bits
+find %{buildroot}%{_libdir}/ocaml -name \*.cmxs -exec chmod a+x {} \+
+%endif
+
 
 %files
 %doc README.md
@@ -76,6 +81,9 @@ rm -fr %{buildroot}%{_prefix}/doc
 
 
 %changelog
+* Fri Jan 22 2021 Jerry James <loganjerry@gmail.com> -3.4.0-2
+- Produce usable debuginfo
+
 * Thu Jan 21 2021 Richard W.M. Jones <rjones@redhat.com> - 3.4.0-1
 - New upstream version 3.4.0.
 - Use dune to build.