diff --git a/foreign/c/pointer.scm b/foreign/c/pointer.scm
index 569c417..6936375 100644
--- a/foreign/c/pointer.scm
+++ b/foreign/c/pointer.scm
@@ -97,7 +97,7 @@
 (cond-expand
   (chicken #t) ; FIXME
   (kawa #t) ; FIXME
-  (chibi #t)
+  ;(chibi #t)
   (else (define c-null?
           (lambda (pointer)
             (if (c-bytevector? pointer)