diff --git a/analysis/schizophrenia/functions_network_medicine_schizo.py b/analysis/schizophrenia/functions_network_medicine_schizo.py
index cca75bfb2463c3b317b753123ee0e3f650091cfd..f9b679abdc009d281e8bf58c3e4ebb6713add99f 100644
--- a/analysis/schizophrenia/functions_network_medicine_schizo.py
+++ b/analysis/schizophrenia/functions_network_medicine_schizo.py
@@ -428,7 +428,7 @@ def proximity_random(df, arch_dist, prots_enf, PPI, num_iterations, df_results):
 def calculate_random_drug_target_modules(num_iterations, df, PPI):
     results = {}
 
-    group_nodes_by_degree = functions_network_medicine_schizo.nodes_by_degree(PPI)  # Group nodes by their degree
+    group_nodes_by_degree = nodes_by_degree(PPI)  # Group nodes by their degree
     
     for i in range(num_iterations):  # for each iteration
         iteration_results = {}