diff --git a/django_grpc_framework/management/commands/grpcrunserver.py b/django_grpc_framework/management/commands/grpcrunserver.py
index 5853885..7ee753e 100644
--- a/django_grpc_framework/management/commands/grpcrunserver.py
+++ b/django_grpc_framework/management/commands/grpcrunserver.py
@@ -59,7 +59,7 @@ def run(self, **options):
 
     def _serve(self):
         server = grpc.server(futures.ThreadPoolExecutor(max_workers=self.max_workers),
-                             interceptors=grpc_settings.SERVER_INTERCEPTORS)
+                             interceptors=[interceptor() for interceptor in grpc_settings.SERVER_INTERCEPTORS])
         grpc_settings.ROOT_HANDLERS_HOOK(server)
         server.add_insecure_port(self.address)
         server.start()
diff --git a/django_grpc_framework/settings.py b/django_grpc_framework/settings.py
index 2f4394e..fc7b414 100644
--- a/django_grpc_framework/settings.py
+++ b/django_grpc_framework/settings.py
@@ -20,7 +20,7 @@
     'ROOT_HANDLERS_HOOK': None,
 
     # gRPC server configuration
-    'SERVER_INTERCEPTORS': None,
+    'SERVER_INTERCEPTORS': [],
 }