diff --git a/ocaml-pyml.spec b/ocaml-pyml.spec
index b25885a..0a561e9 100644
--- a/ocaml-pyml.spec
+++ b/ocaml-pyml.spec
@@ -65,7 +65,11 @@ dune_release_pkgs='pyml'
 %ocaml_create_file_list
 
 %check
+%if "%_lib" == "lib"
+: https://github.com/thierry-martinez/pyml/issues/70
+%else
 %ocaml_dune_test
+%endif
 
 %files -f %{name}.files