diff --git a/autoconf/DockerController.py b/autoconf/DockerController.py
index b8df36a14..7d7009daf 100644
--- a/autoconf/DockerController.py
+++ b/autoconf/DockerController.py
@@ -10,6 +10,7 @@ class DockerController(Controller, ConfigCaller) :
 
     def __init__(self, docker_host) :
         super().__init__("docker")
+        ConfigCaller.__init__(self)
         self.__client = DockerClient(base_url=docker_host)
 
     def _get_controller_instances(self) :
diff --git a/autoconf/SwarmController.py b/autoconf/SwarmController.py
index 39194eac6..3a4f53e0e 100644
--- a/autoconf/SwarmController.py
+++ b/autoconf/SwarmController.py
@@ -11,6 +11,7 @@ class SwarmController(Controller, ConfigCaller) :
 
     def __init__(self, docker_host) :
         super().__init__("swarm")
+        ConfigCaller.__init__(self)
         self.__client = DockerClient(base_url=docker_host)
         self.__internal_lock = Lock()