diff --git a/shepherd/agent/core.py b/shepherd/agent/core.py
index 2f4cddb..c027e34 100644
--- a/shepherd/agent/core.py
+++ b/shepherd/agent/core.py
@@ -338,7 +338,7 @@ def load_config_layer_and_plugins(confman: ConfigManager, config_source):
     plugin_names.remove("shepherd")
 
     # Load plugins to get their config specifications
-    plugin_interfaces = [plugin.load_plugin(name, plugin_dir) for name in plugin_names]
+    plugin_interfaces = {name: plugin.load_plugin(name, plugin_dir) for name in plugin_names}
     for plugin_name, plugin_interface in plugin_interfaces.items():
         confman.add_confspec(plugin_name, plugin_interface.confspec)