diff --git a/test/test_config_export.py b/test/test_config_export.py
index f3af6f5..edeff62 100644
--- a/test/test_config_export.py
+++ b/test/test_config_export.py
@@ -147,6 +147,7 @@ def test_uart_interface_dump():
             # will fail when it shouldn't.
             "clock_freq": 100000000.0,
             "chunk_size": 256,
+            "stall_interval": 16,
         }
     }