diff --git a/scheme/lib/ftp.scm b/scheme/lib/ftp.scm
index 048605d..2d53ad6 100644
--- a/scheme/lib/ftp.scm
+++ b/scheme/lib/ftp.scm
@@ -146,18 +146,17 @@
 							   connection))))
 			      (exactly-code "230")))))))
 
-;; Type must be one of 'binary or 'text or 'ascii, or a string which will be
-;; sent verbatim
+(define-enumerated-type ftp-type :ftp-type
+  ftp-type?
+  ftp-types
+  ftp-type-name
+  ftp-type-index
+  (binary ascii))
 
-(define (ftp-type connection type)
+(define (ftp-set-type! connection type)
   (let ((ttype (cond
-		((string? type) type)
-		((eq? type 'binary) "I")
-		((or (eq? type 'ascii)
-		     (eq? type 'text)) "A")
-		(else
-		 (call-error "type must be one of 'binary or 'text or 'ascii"
-			     ftp-type type)))))
+		((eq? type (ftp-type binary)) "I")
+		((eq? type (ftp-type ascii)) "A"))))
     (ftp-send-command connection (build-command "TYPE" ttype))))
 
 ;;: connection x string x string -> status
diff --git a/scheme/packages.scm b/scheme/packages.scm
index beae1d4..54b2780 100644
--- a/scheme/packages.scm
+++ b/scheme/packages.scm
@@ -90,7 +90,8 @@
 
 (define-interface ftp-interface
   (export ftp-connect
-          ftp-type
+	  (ftp-type :syntax)
+          ftp-set-type!
           ftp-rename
           ftp-delete
           ftp-cd
@@ -414,6 +415,7 @@
   (open scheme-with-scsh
 	netrc
         define-record-types
+	finite-types
         receiving
         handle
         conditions