diff --git a/collects/framework/private/main.ss b/collects/framework/private/main.ss
index 74ae5a34..16d9e38e 100644
--- a/collects/framework/private/main.ss
+++ b/collects/framework/private/main.ss
@@ -70,6 +70,7 @@
 	(for-each (lambda (x) 
 		    (hash-table-put! hash-table x 'define))
 		  '(define defmacro define-macro
+                     define-syntax-set
 		     define-values
                      define/public define/override define/private define/field
 		     define-signature