diff --git a/server/src/bin/lesavka-uvc.rs b/server/src/bin/lesavka-uvc.rs
index ef42745..e1627b7 100644
--- a/server/src/bin/lesavka-uvc.rs
+++ b/server/src/bin/lesavka-uvc.rs
@@ -198,6 +198,8 @@ impl UvcConfig {
         let interval = env_u32("LESAVKA_UVC_INTERVAL", 0);
         let mut max_packet = env_u32("LESAVKA_UVC_MAXPACKET", 3072);
         if env::var("LESAVKA_UVC_BULK").is_ok() {
+            max_packet = max_packet.min(512);
+        } else {
             max_packet = max_packet.min(1024);
         }
 
@@ -386,6 +388,7 @@ fn sanitize_streaming_control(data: &[u8], state: &UvcState) -> [u8; STREAM_CTRL
         let format_index = data[2];
         let frame_index = data[3];
         let interval = read_le32(data, 4);
+        let host_payload = read_le32(data, 22);
 
         if format_index == 1 {
             out[2] = 1;
@@ -396,6 +399,10 @@ fn sanitize_streaming_control(data: &[u8], state: &UvcState) -> [u8; STREAM_CTRL
         if interval == state.cfg.interval {
             write_le32(&mut out[4..8], interval);
         }
+        if host_payload > 0 {
+            let payload = host_payload.min(state.cfg.max_packet);
+            write_le32(&mut out[22..26], payload);
+        }
     }
     out
 }