diff --git a/gui-lib/mred/private/wx/common/cursor.rkt b/gui-lib/mred/private/wx/common/cursor.rkt
index f8aa09ac..0eae8b48 100644
--- a/gui-lib/mred/private/wx/common/cursor.rkt
+++ b/gui-lib/mred/private/wx/common/cursor.rkt
@@ -34,9 +34,9 @@
        [(integer-in 0 15) [hot-spot-x 0]]
        [(integer-in 0 15) [hot-spot-y 0]])
       (unless (is-16x16? image)
-        (raise-type-error (init-name 'cursor%) '|bitmap (16x16 monochrome)| image))
+        (raise-type-error (init-name 'cursor%) "bitmap (16x16 monochrome)" image))
       (unless (is-16x16? mask)
-        (raise-type-error (init-name 'cursor%) '|bitmap (16x16 monochrome)| mask))
+        (raise-type-error (init-name 'cursor%) "bitmap (16x16 monochrome)" mask))
       (let ([c (new cursor-driver%)])
         (send c set-image image mask hot-spot-x hot-spot-y)
         c)]