diff --git a/statistiques/parseStats.py b/statistiques/parseStats.py
index c84213b..107d367 100755
--- a/statistiques/parseStats.py
+++ b/statistiques/parseStats.py
@@ -110,7 +110,7 @@ class Stats:
                     if consolided[field] < int(line[3]):
                         consolided[field] = int(line[3])
         temp_keys = list(consolided.keys())
-        for k in keys:
+        for k in temp_keys:
             if 'bytes' in k:
                 (v,u) = self.__conv(consolided[k])
                 consolided[k] = f"{v} {u}"