diff --git a/src/autoconf/IngressController.py b/src/autoconf/IngressController.py
index 0320b6735..ad7b71542 100644
--- a/src/autoconf/IngressController.py
+++ b/src/autoconf/IngressController.py
@@ -73,7 +73,7 @@ class IngressController(Controller):
     def _to_services(self, controller_service) -> List[dict]:
         if not controller_service.spec or not controller_service.spec.rules:
             return []
-
+        namespace = controller_service.metadata.namespace
         services = []
         # parse rules
         for rule in controller_service.spec.rules:
@@ -112,7 +112,7 @@ class IngressController(Controller):
 
                 service_list = self.__corev1.list_service_for_all_namespaces(
                     watch=False,
-                    field_selector=f"metadata.name={path.backend.service.name}",
+                    field_selector=f"metadata.name={path.backend.service.name},metadata.namespace={namespace}",
                 ).items
 
                 if not service_list:
@@ -121,7 +121,7 @@ class IngressController(Controller):
                     )
                     continue
 
-                reverse_proxy_host = f"http://{path.backend.service.name}.{service_list[0].metadata.namespace}.svc.cluster.local:{path.backend.service.port.number}"
+                reverse_proxy_host = f"http://{path.backend.service.name}.{namespace}.svc.cluster.local:{path.backend.service.port.number}"
                 service.update(
                     {
                         "USE_REVERSE_PROXY": "yes",