diff --git a/hooklib/dns.c b/hooklib/dns.c
index a07b43c..e7d97c2 100644
--- a/hooklib/dns.c
+++ b/hooklib/dns.c
@@ -420,6 +420,10 @@ static int WSAAPI hook_getaddrinfo(
         goto end;
     }
 
+    if (!strcmp(pNodeName, "239.255.255.250") && !strcmp(pServiceName, "1900")) {
+        return next_getaddrinfo(pNodeName, pServiceName, pHints, ppResult);
+    }
+
     mbstowcs_s(&wstr_c, NULL, 0, pNodeName, 0);
     wstr = malloc(wstr_c * sizeof(wchar_t));
 
diff --git a/platform/netenv.c b/platform/netenv.c
index fabfc27..0801011 100644
--- a/platform/netenv.c
+++ b/platform/netenv.c
@@ -406,6 +406,10 @@ static uint32_t WINAPI hook_GetBestRoute(
             (int) _byteswap_ulong(src_ip),
             (int) _byteswap_ulong(dest_ip));
 
+    if ((int) _byteswap_ulong(src_ip) == 0xdfffffff) {
+        return next_GetBestRoute(src_ip, dest_ip, route);
+    }
+
     memset(route, 0, sizeof(*route));
 
     /* This doesn't seem to get read? It just needs to succeed. */