diff --git a/src/watchdog/utils/bricks.py b/src/watchdog/utils/bricks.py
index 35426b7cd..0a7e1cd32 100644
--- a/src/watchdog/utils/bricks.py
+++ b/src/watchdog/utils/bricks.py
@@ -87,7 +87,7 @@ def _init(self, maxsize):
         self._last_item = None
 
     def _put(self, item):
-        if item != self._last_item:
+        if self._last_item is None or item != self._last_item:
             super()._put(item)
             self._last_item = item
         else: