diff --git a/library/error.c b/library/error.c
index f250fe4..5a813f1 100644
--- a/library/error.c
+++ b/library/error.c
@@ -218,7 +218,7 @@
     if( buflen == 0 )
         return;
 
-    memset( buf, 0x00, buflen );
+    mbedtls_platform_memset( buf, 0x00, buflen );
 
     if( ret < 0 )
         ret = -ret;