diff --git a/sorting/quick_sort.cpp b/sorting/quick_sort.cpp
index d067fa068..e09ad184c 100644
--- a/sorting/quick_sort.cpp
+++ b/sorting/quick_sort.cpp
@@ -89,5 +89,6 @@ int main() {
     quickSort(arr, 0, size-1);
     std::cout << "Sorted array : ";
     show(arr, size);
+    delete [] arr;
     return 0;
 }