diff --git a/core/defs.lisp b/core/defs.lisp
index 3b8e06d..2fcc89a 100644
--- a/core/defs.lisp
+++ b/core/defs.lisp
@@ -133,7 +133,7 @@
(defclass resource-container (resource)
((resources :initarg :resources
:initform (make-resource-registry)
- :type hashtable
+ :type hash-table
:reader resource-registry))
(:metaclass resource-class))