diff --git a/scheme/xml/reader.scm b/scheme/xml/reader.scm
index b516450..7b4c2ad 100644
--- a/scheme/xml/reader.scm
+++ b/scheme/xml/reader.scm
@@ -330,7 +330,8 @@
 
 ;; positionify : Input-port -> Input-port (-> Location)
 
-;; Well, this really depends on scsh-0.6
+;; Well, this really depends on scsh-0.6 and should be replace by
+;; big-scheme's more-port
 ;; For S48 you probably need to do something completely different
 
 (define (positionify in)
@@ -338,6 +339,7 @@
 	(char 0)
 	(offset 0)
 	(old-handler (port-handler in)))
+    (set-port-buffering in bufpol/block 1)
     (let ((handler (make-buffered-input-port-handler
 		    (port-handler-discloser old-handler)
 		    (port-handler-close old-handler)
@@ -349,11 +351,10 @@
 			    (begin
 			      (set! char (add1 char))
 			      (set! offset (add1 offset))
-			      (let ((c (peek-char in)))
-				(when (equal? c #\newline)
+			      (let ((c (byte-vector-ref buffer 0)))
+				(when (= c 10)
 				      (set! line (+ line 1))
-				      (set! char 0))
-				c)))
+				      (set! char -1)))))
 			res))
 		    (port-handler-ready? old-handler)
 		    (port-handler-steal old-handler))))
diff --git a/scheme/xml/structures.scm b/scheme/xml/structures.scm
index 5e986d9..c590132 100644
--- a/scheme/xml/structures.scm
+++ b/scheme/xml/structures.scm
@@ -63,7 +63,7 @@
   (dtd prolog-dtd)
   (misc2 prolog-misc2))
 
-(define (make-prolog misc dtd misc2)
+(define (make-prolog misc dtd . misc2)
   (really-make-prolog misc dtd misc2))
 
 ;;; Document-type = (make-document-type sym External-dtd #f)
diff --git a/scheme/xml/xml-packages.scm b/scheme/xml/xml-packages.scm
index 4df4261..68ac8a8 100644
--- a/scheme/xml/xml-packages.scm
+++ b/scheme/xml/xml-packages.scm
@@ -67,6 +67,7 @@
 	i/o-internal
 	ports
 	plt-compat
+	byte-vectors
 	signals)
   (files reader))