diff --git a/tests/lean/config.hlean b/tests/lean/config.hlean
new file mode 100644
index 000000000..e900c86a6
--- /dev/null
+++ b/tests/lean/config.hlean
@@ -0,0 +1,4 @@
+-- set_option default configuration for tests
+prelude
+set_option pp.colors  false
+set_option pp.unicode true
diff --git a/tests/lean/config.hlean.expected.out b/tests/lean/config.hlean.expected.out
new file mode 100644
index 000000000..e69de29bb