diff --git a/Chapter12/Chap12-15.js b/Chapter12/Chap12-15.js
index c29183c..459a843 100644
--- a/Chapter12/Chap12-15.js
+++ b/Chapter12/Chap12-15.js
@@ -11,7 +11,7 @@ function qSort(arr)
         if (arr[i] < pivot) {
            
            left.push(arr[i]);
-        } else {
+        } else if(arr[i] > pivot) {
            
            right.push(arr[i]);
         }