diff --git a/tester/multicast_call_tester.c b/tester/multicast_call_tester.c
index e5a05c11e..356cf3e74 100644
--- a/tester/multicast_call_tester.c
+++ b/tester/multicast_call_tester.c
@@ -96,6 +96,15 @@ static void early_media_with_multicast_base(bool_t video) {
 	int begin;
 	LinphoneVideoPolicy marie_policy, pauline_policy;
 	LpConfig *marie_lp;
+	
+#ifdef WIN32
+	/*
+	 * "Do not call IP_ADD_MEMBERSHIP with the same group more than once on the same network interface."
+	 * https://msdn.microsoft.com/en-us/library/windows/desktop/ms739174%28v=vs.85%29.aspx
+	*/
+	ms_warning("Call forking with multicast can't be tested on windows, test skipped");
+	return;
+#endif
 
 	belle_sip_object_enable_leak_detector(TRUE);
 	begin=belle_sip_object_get_object_count();