diff --git a/library/ssl_msg.c b/library/ssl_msg.c
index 0fa206b..11896ca 100644
--- a/library/ssl_msg.c
+++ b/library/ssl_msg.c
@@ -3112,16 +3112,16 @@
         in[3] != 0 || in[4] != 0 ||
         in[19] != 0 || in[20] != 0 || in[21] != 0 )
     {
-        return( MBEDTLS_ERR_SSL_BAD_HS_CLIENT_HELLO );
+        return( MBEDTLS_ERR_SSL_DECODE_ERROR );
     }
 
     sid_len = in[59];
     if( sid_len > in_len - 61 )
-        return( MBEDTLS_ERR_SSL_BAD_HS_CLIENT_HELLO );
+        return( MBEDTLS_ERR_SSL_DECODE_ERROR );
 
     cookie_len = in[60 + sid_len];
     if( cookie_len > in_len - 60 )
-        return( MBEDTLS_ERR_SSL_BAD_HS_CLIENT_HELLO );
+        return( MBEDTLS_ERR_SSL_DECODE_ERROR );
 
     if( f_cookie_check( p_cookie, in + sid_len + 61, cookie_len,
                         cli_id, cli_id_len ) == 0 )