--- a/saslauthd/auth_rimap.c
+++ b/saslauthd/auth_rimap.c
@@ -308,7 +308,7 @@
     int	s=-1;				/* socket to remote auth host   */
     struct addrinfo *r;			/* remote socket address info   */
     struct iovec iov[5];		/* for sending LOGIN command    */
-    struct iovec iov2[1];               /* for sending LOGOUT command   */
+    struct iovec iov2[2];               /* for sending LOGOUT command   */
     char *qlogin;			/* pointer to "quoted" login    */
     char *qpass;			/* pointer to "quoted" password */
     char *c;				/* scratch pointer              */