diff --git a/lbrynet/blob/blob_file.py b/lbrynet/blob/blob_file.py
index 74ecc1e5a..2206b886e 100644
--- a/lbrynet/blob/blob_file.py
+++ b/lbrynet/blob/blob_file.py
@@ -151,6 +151,7 @@ class BlobFile:
             os.remove(self.file_path)
         self.verified.clear()
         self.finished_writing.clear()
+        self.length = None
 
     def decrypt(self, key: bytes, iv: bytes) -> bytes:
         """