diff --git a/dumper.py b/dumper.py
index 1a5a654..8fd9ed6 100644
--- a/dumper.py
+++ b/dumper.py
@@ -163,7 +163,6 @@ def data_for_op(self, operation, out_file, old_file):
                     data = b''
         elif op_type == op.REPLACE:
             out_file.seek(op.dst_extents[0].start_block * self.block_size)
-            payloadfile.seek(payloadfile.tell() - 4)
             while processed_len < data_length:
                     data = payloadfile.read(buffsize)
                     processed_len += len(data)