0.8.1.36:

[sbcl.git] / src / code / defstruct.lisp

diff --git a/src/code/defstruct.lisp b/src/code/defstruct.lisp
index 177d9c4..391aae1 100644 (file)
--- a/src/code/defstruct.lisp
+++ b/src/code/defstruct.lisp
@@ -993,7 +993,7 @@
 
     (let ((predicate-name (dd-predicate-name dd)))
       (when predicate-name
-       (sb!xc:proclaim `(ftype (sfunction (t) t) ,predicate-name))
+       (sb!xc:proclaim `(ftype (sfunction (t) boolean) ,predicate-name))
        ;; Provide inline expansion (or not).
        (ecase (dd-type dd)
          ((structure funcallable-structure)