diff --git a/algorithms/dijkstra.py b/algorithms/dijkstra.py
index 7e9cfac..93a4519 100644
--- a/algorithms/dijkstra.py
+++ b/algorithms/dijkstra.py
@@ -107,4 +107,5 @@ if __name__ == "__main__":
     }
 
     print(dijkstra_algorithm(g, 7, 10))
+    print(dijkstra_algorithm(g2, 1, 4, is_directed=True))
     print(dijkstra_algorithm(g2, 1, 5, is_directed=True))