diff --git a/src/PIL/Image.py b/src/PIL/Image.py
index c9ae9d54f..145eaeec6 100644
--- a/src/PIL/Image.py
+++ b/src/PIL/Image.py
@@ -726,7 +726,7 @@ class Image(object):
     def __setstate__(self, state):
         # type: (List) -> None
         Image.__init__(self)
-        self.tile = []
+        self.tile = []  # type: List[Tuple] ## FIXME More detail? Should tile be in __init__ & _new?
         info, mode, size, palette, data = state
         self.info = info
         self.mode = mode