diff --git a/device.c b/device.c
index aa8042a..73316c2 100644
--- a/device.c
+++ b/device.c
@@ -468,6 +468,7 @@ static void submit_noinput_buffer(struct vcam_out_buffer *buf,
             memset(vbuf_ptr, 0xff, rowsize * (rows % 255));
     }
 
+    buf->vb.sequence = dev->sequence++;
     buf->vb.vb2_buf.timestamp = ktime_get_ns();
     vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
 }
@@ -648,6 +649,7 @@ static void submit_copy_buffer(struct vcam_out_buffer *out_buf,
             }
         }
     }
+    out_buf->vb.sequence = dev->sequence++;
     out_buf->vb.vb2_buf.timestamp = ktime_get_ns();
     vb2_buffer_done(&out_buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
 }
diff --git a/device.h b/device.h
index 0b3a45c..f65f0f0 100644
--- a/device.h
+++ b/device.h
@@ -80,6 +80,7 @@ struct vcam_device {
 
     /* Submitter thread */
     struct task_struct *sub_thr_id;
+    u32 sequence;
 
     /* Format descriptor */
     size_t nr_fmts;
diff --git a/videobuf.c b/videobuf.c
index dd5298a..3b1b24e 100644
--- a/videobuf.c
+++ b/videobuf.c
@@ -69,6 +69,7 @@ static int vcam_start_streaming(struct vb2_queue *q, unsigned int count)
     struct vcam_device *dev = q->drv_priv;
 
     /* Try to start kernel thread */
+    dev->sequence = 0;
     dev->sub_thr_id = kthread_create(submitter_thread, dev, "vcam_submitter");
     if (!dev->sub_thr_id) {
         pr_err("Failed to create kernel thread\n");