diff --git a/app/service_functions/gw_algorithm.py b/app/service_functions/gw_algorithm.py
index 6e6e7f9..60afbc2 100644
--- a/app/service_functions/gw_algorithm.py
+++ b/app/service_functions/gw_algorithm.py
@@ -24,7 +24,7 @@
 
 def best_gw_cuts(graph, n_GW_cuts, rounded=False):
     np_graph_array = np.array(graph)
-    nx_graph = nx.from_numpy_matrix(np_graph_array)
+    nx_graph = nx.from_numpy_array(np_graph_array)
 
     gw_cuts = []
     for i in range(n_GW_cuts):