diff --git a/elixir.spec b/elixir.spec
index 31ecaec..ee437fa 100644
--- a/elixir.spec
+++ b/elixir.spec
@@ -37,6 +37,7 @@ find -name '*.bat' -exec rm \{\} \;
 # This contains a failing test. We want `make test` for most tests, but
 # this deals with ANSI codes which rpmbuild strips.
 rm lib/elixir/test/elixir/io/ansi_test.exs
+sed -i '/IO.ANSI/d' lib/elixir/test/doctest.exs
 
 %build
 make %{?_smp_mflags}