diff --git a/tests/lean/run/over2.lean b/tests/lean/run/over2.lean
new file mode 100644
index 000000000..525648cbe
--- /dev/null
+++ b/tests/lean/run/over2.lean
@@ -0,0 +1,14 @@
+import data.nat
+using nat
+
+namespace N1
+  definition foo (a : nat) := a
+end N1
+
+namespace N2
+  definition foo (a : nat) := a
+end N2
+
+using N1 N2
+
+definition boo := foo
\ No newline at end of file