diff --git a/cloudkeeper/cloudkeeper/baseplugin.py b/cloudkeeper/cloudkeeper/baseplugin.py
index 6d0db400b..514a7c842 100644
--- a/cloudkeeper/cloudkeeper/baseplugin.py
+++ b/cloudkeeper/cloudkeeper/baseplugin.py
@@ -132,7 +132,7 @@ def cmd_example(self, items: Iterable, args: str) -> Iterable:
 
     plugin_type = PluginType.CLI
 
-    def __init__(self, graph, scheduler, clipboard) -> None:
+    def __init__(self, graph: Graph, scheduler, clipboard) -> None:
         super().__init__()
         self.graph = graph
         self.scheduler = scheduler