diff --git a/src/hexrec/blocks.py b/src/hexrec/blocks.py
index 28662a4..9672085 100644
--- a/src/hexrec/blocks.py
+++ b/src/hexrec/blocks.py
@@ -2025,8 +2025,10 @@ def __getitem__(
                 step = self.autofill
 
             if isinstance(step, self.items_type):
-                blocks = read(blocks, start, endex, step, self.items_join)
-                blocks = flood(blocks, pattern=step, join=self.items_join)
+                blocks = read(blocks, start, endex, step,
+                              join=self.items_join)
+                blocks = flood(blocks, start, endex, step,
+                               join=self.items_join)
                 items = self.items_join(items for _, items in blocks)
                 return items