diff --git a/access_node/__main__.py b/access_node/__main__.py
index d9f64859cd7702418b2f1c8448a0916241120ac1..932a1d48aa9a43c6be843514622a5b9a1878daa9 100644
--- a/access_node/__main__.py
+++ b/access_node/__main__.py
@@ -28,7 +28,7 @@ def SetupNestTables(postgres_username, postgres_password, port):
 
 
 	cur.execute('''CREATE TABLE SIMULATION_NODES (
-      NODE_ID           INT       PRIMARY KEY NOT NULL UNIQUE,
+      NODE_ID           SERIAL PRIMARY KEY NOT NULL UNIQUE,
       ADDRESS           VARCHAR(50),
       CURRENT_SIM_TIME  FLOAT);''')