diff --git a/text/processing.py b/text/processing.py
index a1c3f4c4..0d1c9d57 100644
--- a/text/processing.py
+++ b/text/processing.py
@@ -186,6 +186,8 @@ def __init__(self, text_file, num_lines=None, ratio=None, zip_output=True):
         self.zip_output = zip_output
 
         self.out = self.output_path("out.gz") if self.zip_output else self.output_path("out")
+        if not self.zip_output:
+            self.out.hash_overwrite = (self, "out.gz")  # keep old hashing behavior
         self.length = self.output_var("length")
 
     def tasks(self):