Index: rostests/winetests/winhttp/winhttp.c
===================================================================
--- rostests/winetests/winhttp/winhttp.c	(revision 74920)
+++ rostests/winetests/winhttp/winhttp.c	(working copy)
@@ -2188,7 +2188,12 @@
             else
             {
                 send(c, largeauth, sizeof largeauth - 1, 0);
+#ifdef __REACTOS__
+                memset(buffer, 'A', sizeof buffer);
+                for (i = 0; i < 10240 / sizeof buffer; i++) send(c, buffer, sizeof buffer, 0);
+#else
                 for (i = 0; i < 10240; i++) send(c, "A", 1, 0);
+#endif
                 continue;
             }
         }