diff --git a/cruft/util/registrar.hpp b/cruft/util/registrar.hpp
index 1b11b0db..e92c4d29 100644
--- a/cruft/util/registrar.hpp
+++ b/cruft/util/registrar.hpp
@@ -19,6 +19,10 @@ namespace cruft {
     class registry {
     public:
         struct cookie {
+        private:
+            KeyT m_key;
+
+        public:
             explicit cookie (KeyT const &_key)
                 : m_key (_key)
             { ; }
@@ -28,7 +32,7 @@ namespace cruft {
             { ; }
 
             cookie (cookie &&rhs) noexcept
-                : m_key (std::move (rhs.key))
+                : m_key (std::move (rhs.m_key))
             { ; }
 
             cookie& operator= (cookie &&rhs) noexcept
@@ -48,9 +52,6 @@ namespace cruft {
                     LOG_ERROR ("Unable to remove registration for {}", m_key);
                 }
             }
-
-        private:
-            KeyT m_key;
         };