diff --git a/package.lisp b/package.lisp
index 1427bea..10f21f1 100644
--- a/package.lisp
+++ b/package.lisp
@@ -391,6 +391,7 @@
            #:TNPR-CONTRACTION
            #:TWISTED-CRTS-PRDC
            #:TWISTED-CRTS-PRDC-FACE
+           #:TWISTED-TNSR-PRDC
 
            ;; macros.lisp