diff --git a/src/testzzuf/daemontest_large_put.c b/src/testzzuf/daemontest_large_put.c
index 7bdfde85..ff616555 100644
--- a/src/testzzuf/daemontest_large_put.c
+++ b/src/testzzuf/daemontest_large_put.c
@@ -256,11 +256,11 @@ testExternalPut ()
   cbc.size = 2048;
   cbc.pos = 0;
   multi = NULL;
-  d = MHD_start_daemon (MHD_NO_FLAG /* | MHD_USE_DEBUG */ ,
+  d = MHD_start_daemon (MHD_NO_FLAG /* | MHD_USE_DEBUG */,
                         11080,
                         NULL, NULL, &ahc_echo, &done_flag,
                         MHD_OPTION_CONNECTION_MEMORY_LIMIT,
-                        PUT_SIZE * 4, MHD_OPTION_END);
+                        (size_t) (PUT_SIZE * 4), MHD_OPTION_END);
   if (d == NULL)
     return 256;
   multi = curl_multi_init ();