diff --git a/collects/racket/draw/private/post-script-dc.rkt b/collects/racket/draw/private/post-script-dc.rkt
index 53ddff8ac4..9a73850c42 100644
--- a/collects/racket/draw/private/post-script-dc.rkt
+++ b/collects/racket/draw/private/post-script-dc.rkt
@@ -70,12 +70,14 @@
                      (not fn))
                 (values #f #f #f #f #f #f #f)
                 (let* ([paper (assoc (send pss get-paper-name) paper-sizes)]
-                       [w (if (or (not init-w) use-paper-bbox)
-                              (cadr paper)
-                              init-w)]
-                       [h (if (or (not init-h) use-paper-bbox)
-                              (caddr paper)
-                              init-h)]
+                       [w (ceiling
+                           (if (or (not init-w) use-paper-bbox)
+                               (cadr paper)
+                               init-w))]
+                       [h (ceiling
+                           (if (or (not init-h) use-paper-bbox)
+                               (caddr paper)
+                               init-h))]
                        [landscape? (eq? (send pss get-orientation) 'landscape)]
                        [file (if (output-port? fn)
                                  fn
@@ -182,6 +184,7 @@
     (define/override (can-mask-bitmap?)
       #f)
 
+    (define/override (dc-adjust-cap-shape shape sx pw) shape)
     (define/override (get-hairline-width cx) (/ 1.0 (* cx 4)))
 
     (define is-eps? (and as-eps #t))
diff --git a/collects/scribblings/draw/post-script-dc-class.scrbl b/collects/scribblings/draw/post-script-dc-class.scrbl
index 0b82893855..3360eef9dd 100644
--- a/collects/scribblings/draw/post-script-dc-class.scrbl
+++ b/collects/scribblings/draw/post-script-dc-class.scrbl
@@ -39,7 +39,8 @@ If @scheme[interactive] is @scheme[#f], then the settings returned by
 
 If @scheme[use-paper-bbox] is @scheme[#f], then the PostScript
  bounding box for the output is determined by @racket[width] and
- @racket[height]. If @scheme[use-paper-bbox] is not @scheme[#f], then
+ @racket[height] (which are rounded upward using @racket[ceiling]). 
+ If @scheme[use-paper-bbox] is not @scheme[#f], then
  the bounding box is determined by the current paper size (as
  specified by @scheme[current-ps-setup]). When @racket[width] or
  @racket[height] is @racket[#f], then the corresponding dimension is