diff --git a/src/iam/router.py b/src/iam/router.py
index eae329f..5d824a1 100644
--- a/src/iam/router.py
+++ b/src/iam/router.py
@@ -24,7 +24,7 @@ from sqlalchemy.exc import IntegrityError
 from src.iam.exceptions import GroupNotFoundException
 from src.organisation.exceptions import OrgNotFoundException
 from src.schemas import GroupSummary, OrgSummary, ResourceName
-from src.service.exceptions import ServiceNotFoundException
+from src.service.dependencies import service_model_body_dependency
 from src.exceptions import (
 	ConflictException,
 	ForbiddenException,
@@ -488,13 +488,11 @@ async def create_new_permission(
 	db: db_dependency,
 	su: super_admin_dependency,
 	request_model: IAMPostPermissionRequest,
+	service_model: service_model_body_dependency,  # Used to verify service model exists
 ):
 	"""
 	Allows a super admin to create a new IAM permission for a service.
 	"""
-	service_model = db.get(Service, request_model.service_id)
-	if service_model is None:
-		raise ServiceNotFoundException(service_id=request_model.service_id)
 	perm_model = Perm(**request_model.__dict__)
 	db.add(perm_model)
 	try: