diff --git a/src/allmydata/frontends/magic_folder.py b/src/allmydata/frontends/magic_folder.py
index c3913d357..0911f313e 100644
--- a/src/allmydata/frontends/magic_folder.py
+++ b/src/allmydata/frontends/magic_folder.py
@@ -130,7 +130,7 @@ class QueueMixin(HookMixin):
 
         self._deque = deque()
         # do we also want to bound on "maximum age"?
-        self._process_history = deque(maxlen=10)
+        self._process_history = deque(maxlen=20)
         self._lazy_tail = defer.succeed(None)
         self._stopped = False
         self._turn_delay = 0