diff --git a/tests/lean/grind/bool.lean b/tests/lean/grind/bool.lean
new file mode 100644
index 0000000000..c7c9cac459
--- /dev/null
+++ b/tests/lean/grind/bool.lean
@@ -0,0 +1,8 @@
+reset_grind_attrs%
+
+example [BEq α] (a b : α) : (a == b && a == b) = (a == b) := by
+  rw [Bool.eq_iff_iff]
+  grind -- succeeds
+
+example [BEq α] (a b : α) : (a == b && a == b) = (a == b) := by
+  grind -- fails