diff --git a/ffserver.c b/ffserver.c
index e83534cc76..d224b4165a 100644
--- a/ffserver.c
+++ b/ffserver.c
@@ -586,7 +586,7 @@ static void start_multicast(void)
     FFStream *stream;
     char session_id[32];
     HTTPContext *rtp_c;
-    struct sockaddr_in dest_addr;
+    struct sockaddr_in dest_addr = {0};
     int default_port, stream_index;
 
     default_port = 6000;