diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c
index 15db66b..6361d12 100644
--- a/drivers/hv/ring_buffer.c
+++ b/drivers/hv/ring_buffer.c
@@ -361,6 +361,11 @@
 	ring_info->ring_buffer->read_index =
 		ring_info->ring_buffer->write_index = 0;
 
+	/*
+	 * Set the feature bit for enabling flow control.
+	 */
+	ring_info->ring_buffer->feature_bits.value = 1;
+
 	ring_info->ring_size = buflen;
 	ring_info->ring_datasize = buflen - sizeof(struct hv_ring_buffer);