diff --git a/plux/build/discovery.py b/plux/build/discovery.py
index 12805bc..20eea93 100644
--- a/plux/build/discovery.py
+++ b/plux/build/discovery.py
@@ -28,7 +28,7 @@ def find_plugins(self) -> t.List[PluginSpec]:
         plugins = list()
 
         for module in self.modules:
-            LOG.debug("scanning module %s", module.__name__)
+            LOG.debug("scanning module %s, file=%s", module.__name__, module.__file__)
             members = inspect.getmembers(module)
 
             for member in members: