diff --git a/src/util/tests/sparse_array/multi_threaded.c b/src/util/tests/sparse_array/multi_threaded.c
index b7b4e73a1dc..b084ac994e4 100644
--- a/src/util/tests/sparse_array/multi_threaded.c
+++ b/src/util/tests/sparse_array/multi_threaded.c
@@ -72,6 +72,8 @@ run_test(unsigned run_idx)
       uint32_t *elem = util_sparse_array_get(&arr, i);
       assert(*elem == 0 || *elem == i);
    }
+
+   util_sparse_array_finish(&arr);
 }
 
 int