diff --git a/src/z3c/__init__.py b/src/z3c/__init__.py
index 2e2033b..de40ea7 100644
--- a/src/z3c/__init__.py
+++ b/src/z3c/__init__.py
@@ -1,7 +1 @@
-# this is a namespace package
-try:
-    import pkg_resources
-    pkg_resources.declare_namespace(__name__)
-except ImportError:
-    import pkgutil
-    __path__ = pkgutil.extend_path(__path__, __name__)
+__import__('pkg_resources').declare_namespace(__name__)