diff --git a/Chapter 11 - Regular Expressions/chapter11.py b/Chapter 11 - Regular Expressions/chapter11.py
index e9e5741..ffd7d49 100644
--- a/Chapter 11 - Regular Expressions/chapter11.py	
+++ b/Chapter 11 - Regular Expressions/chapter11.py	
@@ -58,4 +58,4 @@
     for number in numbers:
         sum = sum + int(number)
 
-print sum
+print(sum)