diff --git a/library/md2.c b/library/md2.c
index 37e35dc..1c0b3df 100644
--- a/library/md2.c
+++ b/library/md2.c
@@ -34,7 +34,7 @@
 #if defined(MBEDTLS_MD2_C)
 
 #include "mbedtls/md2.h"
-#include "mbedtls/utils.h"
+#include "mbedtls/platform_util.h"
 
 #include <string.h>
 
@@ -89,7 +89,7 @@
     if( ctx == NULL )
         return;
 
-    mbedtls_zeroize( ctx, sizeof( mbedtls_md2_context ) );
+    mbedtls_platform_zeroize( ctx, sizeof( mbedtls_md2_context ) );
 }
 
 void mbedtls_md2_clone( mbedtls_md2_context *dst,