diff --git a/programs/ssl/ssl_server2.c b/programs/ssl/ssl_server2.c
index 8f97541..0b89b55 100644
--- a/programs/ssl/ssl_server2.c
+++ b/programs/ssl/ssl_server2.c
@@ -1572,13 +1572,15 @@
         else if( strcmp( p, "buffer_size" ) == 0 )
         {
             opt.buffer_size = atoi( q );
-            if( opt.buffer_size < 1 || opt.buffer_size > MBEDTLS_SSL_MAX_CONTENT_LEN + 1 )
+            if( opt.buffer_size < 1 ||
+                    ( opt.buffer_size > MBEDTLS_SSL_IN_CONTENT_LEN + 1
+                      && opt.buffer_size > MBEDTLS_SSL_OUT_CONTENT_LEN + 1 ) )
                 goto usage;
         }
         else if( strcmp( p, "response_size" ) == 0 )
         {
             opt.response_size = atoi( q );
-            if( opt.response_size < 0 || opt.response_size > MBEDTLS_SSL_MAX_CONTENT_LEN )
+            if( opt.response_size < 0 || opt.response_size > MBEDTLS_SSL_OUT_CONTENT_LEN )
                 goto usage;
             if( opt.buffer_size < opt.response_size )
                 opt.buffer_size = opt.response_size;