diff --git a/Code/Chapter_4/AbilityScore/AbilityScore/AbilityScoreCalculator.cs b/Code/Chapter_4/AbilityScore/AbilityScore/AbilityScoreCalculator.cs
index 019419a..21bf7c3 100644
--- a/Code/Chapter_4/AbilityScore/AbilityScore/AbilityScoreCalculator.cs
+++ b/Code/Chapter_4/AbilityScore/AbilityScore/AbilityScoreCalculator.cs
@@ -18,7 +18,7 @@ public void CalculateAbilityScore()
             double divided = RollResult / DivideBy;
 
             // Add AddAmount to the result of that division
-            int added = AddAmount = (int)divided;
+            int added = AddAmount + (int)divided;
 
             // If the result is too small, use Minimum
             if (added < Minimum)