diff --git a/anonymize_entries.py b/anonymize_entries.py
index ecab1aa..f6d5107 100644
--- a/anonymize_entries.py
+++ b/anonymize_entries.py
@@ -258,7 +258,7 @@ def maybe_generate_aliases(
 
     for row in csv_contents:
         rnd = Random(",".join([row[KnownColumns.EmailAddress], seed]))
-        random_alias = f"{rnd.choice(alias_parts[0])} {rnd.choice(alias_parts[0])}"
+        random_alias = f"{rnd.choice(alias_parts[0])} {rnd.choice(alias_parts[1])}"
         while (
             random_alias in alias_to_email_address
             and alias_to_email_address[random_alias] != row[KnownColumns.EmailAddress]