diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
index e9bf0bb87ac40c7e610aa28ac23d35dcc3991ba2..e57cc40cb768b7d3b85c761700e3729c2a2deebc 100644
--- a/drivers/hv/channel.c
+++ b/drivers/hv/channel.c
@@ -606,6 +606,8 @@ static int vmbus_close_internal(struct vmbus_channel *channel)
 		get_order(channel->ringbuffer_pagecount * PAGE_SIZE));
 
 out:
+	/* re-enable tasklet for use on re-open */
+	tasklet_enable(&channel->callback_event);
 	return ret;
 }