diff --git a/flandre/nodes/Device.py b/flandre/nodes/Device.py
index d476c10..5aad4b4 100644
--- a/flandre/nodes/Device.py
+++ b/flandre/nodes/Device.py
@@ -63,7 +63,7 @@ class Device(Node):
         return self.c.req_interrupt(
             self.generate_cmd_bytes(cmd, v),
             interrupt_name='device123',
-            retry_times=5,
+            retry_times=6,
             cb_retry=lambda: logger.warning(f'retry {cmd}'),
         )