diff --git a/simple_functions/functions1.py b/simple_functions/functions1.py
index 8c63a4d..21785d2 100644
--- a/simple_functions/functions1.py
+++ b/simple_functions/functions1.py
@@ -5,5 +5,5 @@
 def my_sum(iterable):
     tot = 0
     for i in iterable:
-        tot += i
+        tot += i+1
     return tot