diff --git a/examples/workout_komodo/2-Summing-numbers.komodo b/examples/workout_komodo/2-Summing-numbers.komodo
index 6dfcb2f..03e804a 100644
--- a/examples/workout_komodo/2-Summing-numbers.komodo
+++ b/examples/workout_komodo/2-Summing-numbers.komodo
@@ -9,7 +9,7 @@ let mysum([first|tail]) := first + mysum(tail)
 # Test cases
 assert(mysum([1, 2, 3]) = 6)
 assert(mysum([])= 0)
-println(mysum([10, 20, 30, 40, 50, 60]) = 210)
+assert(mysum([10, 20, 30, 40, 50, 60]) = 210)
 
 
 # mysum([1, 2, 3])