diff --git a/library/x509parse.c b/library/x509parse.c
index 0a3b6fea2..dca530666 100644
--- a/library/x509parse.c
+++ b/library/x509parse.c
@@ -3919,7 +3919,6 @@ int x509_self_test( int verbose )
     ret = x509parse_verify( &clicert, &cacert, NULL, "PolarSSL Client 2", &flags, NULL, NULL );
     if( ret != 0 )
     {
-        printf("%02x", flags);
         if( verbose != 0 )
             printf( "failed\n" );