diff --git a/src/dns.c b/src/dns.c
index 58a1b3608..970db6e43 100644
--- a/src/dns.c
+++ b/src/dns.c
@@ -913,6 +913,7 @@ static int dns_session_init(struct appctx *appctx)
 	return 0;
 
   error:
+	sockaddr_free(&addr);
 	return -1;
 }