diff --git a/griffe_generics/extension.py b/griffe_generics/extension.py
index 87c1d7e..5bb94e0 100644
--- a/griffe_generics/extension.py
+++ b/griffe_generics/extension.py
@@ -13,7 +13,7 @@
 class GenericsExtension(Extension):
     _context: GenericsContext
 
-    def on_package_loaded(self, *, pkg: Module, **kwargs: Any) -> None:
+    def on_package(self, *, pkg: Module, **kwargs: Any) -> None:
         self._context = GenericsInspector().inspect(pkg)
 
         for cls in walk_objects_of(pkg, type=Class):