diff --git a/lib/qml-ui-vars.lisp b/lib/qml-ui-vars.lisp
index e09a350..8847f9f 100644
--- a/lib/qml-ui-vars.lisp
+++ b/lib/qml-ui-vars.lisp
@@ -104,7 +104,7 @@
       (dolist (item items)
         (let ((diff-name  (make-string (- max-name  (length (first item)))))
               (diff-class (make-string (- max-class (length (third item))))))
-          (format out "(defvar *~A*~A ~S)~A ; ~A~A ~S~%"
+          (format out "(defparameter *~A*~A ~S)~A ; ~A~A ~S~%"
                   (first item)
                   diff-name
                   (second item)