diff --git a/sorting/selection_sort_recursive.c b/sorting/selection_sort_recursive.c
index 7b8e20b0..ac9a7fee 100644
--- a/sorting/selection_sort_recursive.c
+++ b/sorting/selection_sort_recursive.c
@@ -49,7 +49,7 @@ int findIndex(const int *arr, const int size)
  * @param arr array to be sorted
  * @param size size of array
  */
-void selectionSort(int *arr, int size)
+void selectionSort(int *arr, const int size)
 {
     if (size == 1)
     {