diff --git a/exercises/palindrome-products/palindrome_products.py b/exercises/palindrome-products/palindrome_products.py
index 81d5fe506a..951888d4bc 100644
--- a/exercises/palindrome-products/palindrome_products.py
+++ b/exercises/palindrome-products/palindrome_products.py
@@ -1,6 +1,6 @@
-def largest_palindrome():
+def largest_palindrome(max_factor, min_factor):
     pass
 
 
-def smallest_palindrome():
+def smallest_palindrome(max_factor, min_factor):
     pass