diff --git a/scanner/pages/camera/camera.js b/scanner/pages/camera/camera.js
index 00c27d8..da801dc 100644
--- a/scanner/pages/camera/camera.js
+++ b/scanner/pages/camera/camera.js
@@ -366,8 +366,8 @@ Page({
   },
   handle_image_data_url(data_url) {
     const now = Date.now();
-    const interval = 5000; // 5 seconds
-    if (now - this.data.last_frame_upload_time < interval) {
+    const interval_ms = 2000;
+    if (now - this.data.last_frame_upload_time < interval_ms) {
       return;
     }
     this.setData({