diff --git a/data_structures/2_Arrays/Solution/3_odd_even_numbers.py b/data_structures/2_Arrays/Solution/3_odd_even_numbers.py
index ec1c4b7..80b2922 100644
--- a/data_structures/2_Arrays/Solution/3_odd_even_numbers.py
+++ b/data_structures/2_Arrays/Solution/3_odd_even_numbers.py
@@ -2,7 +2,7 @@
 
 odd_numbers = []
 
-for i in range(1, max):
+for i in range(1, max + 1):
     if i % 2 == 1:
         odd_numbers.append(i)