diff --git a/geant_service_orchestrator/services/ipam.py b/geant_service_orchestrator/services/ipam.py
index 4df0645204c37b911bcbe540bfb815d6d8a7f082..30d2a07b5edbeb4b5fb8ef9b7c45b7954b0737b8 100644
--- a/geant_service_orchestrator/services/ipam.py
+++ b/geant_service_orchestrator/services/ipam.py
@@ -3,7 +3,7 @@ from pydantic import BaseSettings
 from geant_service_orchestrator import settings
 
 
-class ServiceNetworks(BaseSettings)
+class ServiceNetworks(BaseSettings):
     v4: ipaddress.IPv4Network
     v6: ipaddress.IPv6Network