diff --git a/data_structures/graphs/kruskal.c b/data_structures/graphs/kruskal.c
index cd2b10a0b4..44844c0d7c 100644
--- a/data_structures/graphs/kruskal.c
+++ b/data_structures/graphs/kruskal.c
@@ -41,7 +41,7 @@ struct Graph *createGraph(int V, int E)
  *
  * @param ptr Pointer to the graph structure to be deallocated.
  */
-void deleteGraph(struct Graph *graph)
+void deleteGraph(struct Graph *const graph)
 {
     if (graph == NULL)
     {