diff --git a/tsstats/tests/test_client.py b/tsstats/tests/test_client.py
index 8cdefd6..ec961db 100644
--- a/tsstats/tests/test_client.py
+++ b/tsstats/tests/test_client.py
@@ -36,3 +36,8 @@ def test_clients_iter():
     assert cl2 in client_list
     assert uidcl1 in client_list
     assert uidcl2 in client_list
+
+
+def test_clients_delete():
+    del clients['1']
+    assert cl1 not in clients