diff --git a/src/lib/libc/string/explicit_bzero.c b/src/lib/libc/string/explicit_bzero.c
index 5124df23..3e33ca85 100644
--- a/src/lib/libc/string/explicit_bzero.c
+++ b/src/lib/libc/string/explicit_bzero.c
@@ -1,16 +1,19 @@
-/*	$OpenBSD: explicit_bzero.c,v 1.2 2014/06/10 04:17:37 deraadt Exp $ */
+/*	$OpenBSD: explicit_bzero.c,v 1.3 2014/06/21 02:34:26 matthew Exp $ */
 /*
  * Public domain.
- * Written by Ted Unangst
+ * Written by Matthew Dempsky.
  */
 
 #include <string.h>
 
-/*
- * explicit_bzero - don't let the compiler optimize away bzero
- */
+__attribute__((weak)) void
+__explicit_bzero_hook(void *buf, size_t len)
+{
+}
+
 void
-explicit_bzero(void *p, size_t n)
+explicit_bzero(void *buf, size_t len)
 {
-	bzero(p, n);
+	memset(buf, 0, len);
+	__explicit_bzero_hook(buf, len);
 }