diff --git a/collects/eopl/eopl.ss b/collects/eopl/eopl.ss
index 42b5ed29ca..34f7e96d16 100644
--- a/collects/eopl/eopl.ss
+++ b/collects/eopl/eopl.ss
@@ -140,6 +140,7 @@
            require module  ;; we allow full use of modules
 	   provide         ;; in case someone wants to use a module
            make-parameter
+           parameterize
            print-struct
            maybe)