1 files changed, 1 insertions, 1 deletions
diff --git a/vm.c b/vm.c
index 82d7e9b72d..640d02fc4f 100644
--- a/vm.c
+++ b/vm.c
@@ -262,7 +262,7 @@ rb_vm_cref_new_toplevel(void)
 static void
 vm_cref_dump(const char *mesg, const rb_cref_t *cref)
 {
-    fprintf(stderr, "vm_cref_dump: %s (%p)\n", mesg, cref);
+    fprintf(stderr, "vm_cref_dump: %s (%p)\n", mesg, (void *)cref);
 
     while (cref) {
 	fprintf(stderr, "= cref| klass: %s\n", RSTRING_PTR(rb_class_path(CREF_CLASS(cref))));