diff --git a/pagure/lib/tasks.py b/pagure/lib/tasks.py
index 583f0ca..e152711 100644
--- a/pagure/lib/tasks.py
+++ b/pagure/lib/tasks.py
@@ -795,12 +795,11 @@ def update_checksums_file(self, session, folder, filenames):
                 # This wasn't generated by pagure, don't touch it!
                 return
 
-    algos = {
-        'sha256': hashlib.sha256(),
-        'sha512': hashlib.sha512(),
-    }
-
     for filename in filenames:
+        algos = {
+            'sha256': hashlib.sha256(),
+            'sha512': hashlib.sha512(),
+        }
         # for each files computes the different algorythm supported
         with open(os.path.join(folder, filename), "rb") as stream:
             while True: