diff --git a/src/rx/DARWIN/rx_knet.c b/src/rx/DARWIN/rx_knet.c
index 0ea37ab908..70233c8f04 100644
--- a/src/rx/DARWIN/rx_knet.c
+++ b/src/rx/DARWIN/rx_knet.c
@@ -143,6 +143,7 @@ rx_upcall(socket_t so, void *arg, __unused int waitflag)
 void
 osi_StopNetIfPoller(void)
 {
+    shutdown_rx();
     soclose(rx_socket);
     if (afs_termState == AFSOP_STOP_NETIF) {
 	afs_termState = AFSOP_STOP_COMPLETE;