diff --git a/src/log.c b/src/log.c
index 5cae182..8759051 100644
--- a/src/log.c
+++ b/src/log.c
@@ -3497,8 +3497,7 @@
 	struct listener *l = objt_listener(fdtab[fd].owner);
 	int max_accept;
 
-	if(!l)
-		ABORT_NOW();
+	BUG_ON(!l);
 
 	if (fdtab[fd].state & FD_POLL_IN) {
 
diff --git a/src/quic_sock.c b/src/quic_sock.c
index 82d6270..6c1f2d0 100644
--- a/src/quic_sock.c
+++ b/src/quic_sock.c
@@ -201,8 +201,7 @@
 	struct sockaddr_storage saddr = {0};
 	socklen_t saddrlen;
 
-	if (!l)
-		ABORT_NOW();
+	BUG_ON(!l);
 
 	if (!(fdtab[fd].state & FD_POLL_IN) || !fd_recv_ready(fd))
 		return;