diff --git a/tests/test_client.py b/tests/test_client.py
index 6d898a0..38424ac 100644
--- a/tests/test_client.py
+++ b/tests/test_client.py
@@ -134,8 +134,19 @@ class TestClient(object):
         # we create a table.
         limit = resource.getrlimit(resource.RLIMIT_FSIZE)
         resource.setrlimit(resource.RLIMIT_FSIZE, (1, limit[1]))
+
+        # normal
         with assert_raises(ServerError) as e:
             client.stream_create("/newton/hello", "uint16_6")
+
+        # same but with force_traceback == False, to improve coverage
+        global test_server
+        test_server.force_traceback = False
+        with assert_raises(ServerError) as e:
+            client.stream_create("/newton/world", "uint16_6")
+        test_server.force_traceback = True
+
+        # Reset resource limit
         resource.setrlimit(resource.RLIMIT_FSIZE, limit)
 
         client.close()