diff --git a/agnocomplete/register.py b/agnocomplete/register.py
index 702deff..91ac0d0 100644
--- a/agnocomplete/register.py
+++ b/agnocomplete/register.py
@@ -11,6 +11,7 @@ def register(klass):
     "Register a class into the agnocomplete registry."
     logger.info("registering {}".format(klass.__name__))
     AGNOCOMPLETE_REGISTRY[klass.slug] = klass
+    return klass
 
 
 def get_agnocomplete_registry():