diff --git a/libexec/rtld-elf/rtld_malloc.c b/libexec/rtld-elf/rtld_malloc.c
--- a/libexec/rtld-elf/rtld_malloc.c
+++ b/libexec/rtld-elf/rtld_malloc.c
@@ -106,10 +106,10 @@
  * increasing order.
  */
 
-static union overhead *
+static void *
 cp2op(void *cp)
 {
-	return ((union overhead *)((caddr_t)cp - sizeof(union overhead)));
+	return (((caddr_t)cp - sizeof(union overhead)));
 }
 
 void *