diff --git a/library/havege.c b/library/havege.c
index c9bb64d..4dcac02 100644
--- a/library/havege.c
+++ b/library/havege.c
@@ -36,7 +36,7 @@
 
 #include "mbedtls/havege.h"
 #include "mbedtls/timing.h"
-#include "mbedtls/utils.h"
+#include "mbedtls/platform_util.h"
 
 #include <string.h>
 
@@ -204,7 +204,7 @@
     if( hs == NULL )
         return;
 
-    mbedtls_zeroize( hs, sizeof( mbedtls_havege_state ) );
+    mbedtls_platform_zeroize( hs, sizeof( mbedtls_havege_state ) );
 }
 
 /*