1 files changed, 1 insertions, 1 deletions
diff --git a/sink.c b/sink.c
index 9dd9ce70..47a40427 100644
--- a/sink.c
+++ b/sink.c
@@ -262,7 +262,7 @@ static int send_bouncemail(struct query *ctl, struct msgblk *msg,
     const char *md1 = "MAILER-DAEMON", *md2 = "MAILER-DAEMON@";
 
     /* don't bounce in reply to undeliverable bounces */
-    if (!msg->return_path[0] ||
+    if (!msg || !msg->return_path[0] ||
 	strcmp(msg->return_path, "<>") == 0 ||
 	strcasecmp(msg->return_path, md1) == 0 ||
 	strncasecmp(msg->return_path, md2, strlen(md2)) == 0)