diff --git a/plugins/upload/guest-js/index.ts b/plugins/upload/guest-js/index.ts
index 9586a241..7c5bf796 100644
--- a/plugins/upload/guest-js/index.ts
+++ b/plugins/upload/guest-js/index.ts
@@ -7,6 +7,7 @@ import { invoke, Channel } from '@tauri-apps/api/core'
 interface ProgressPayload {
   progress: number
   total: number
+  transferSpeed: number
 }
 
 type ProgressHandler = (progress: ProgressPayload) => void
diff --git a/plugins/upload/src/lib.rs b/plugins/upload/src/lib.rs
index 45e152f9..6a399fd1 100644
--- a/plugins/upload/src/lib.rs
+++ b/plugins/upload/src/lib.rs
@@ -58,6 +58,7 @@ impl Serialize for Error {
 }
 
 #[derive(Clone, Serialize)]
+#[serde(rename_all = "camelCase")]
 struct ProgressPayload {
     progress: u64,
     total: u64,
@@ -150,7 +151,11 @@ fn file_to_body(channel: Channel<ProgressPayload>, file: File) -> reqwest::Body
         stream,
         Box::new(move |progress, total| {
             stats.record_chunk_transfer(progress as usize);
-            let _ = channel.send(ProgressPayload { progress, total, transfer_speed: stats.transfer_speed });
+            let _ = channel.send(ProgressPayload {
+                progress,
+                total,
+                transfer_speed: stats.transfer_speed,
+            });
         }),
     ))
 }
diff --git a/plugins/upload/src/transfer_stats.rs b/plugins/upload/src/transfer_stats.rs
index 83b5b874..41c6f080 100644
--- a/plugins/upload/src/transfer_stats.rs
+++ b/plugins/upload/src/transfer_stats.rs
@@ -6,7 +6,7 @@ pub struct TransferStats {
     accumulated_time: u128,       // Total time taken for the transfers in the current period
     pub transfer_speed: u64,      // Calculated transfer speed in bytes per second
     start_time: Instant,          // Time when the current period started
-    granularity: u32,             // Time period (in milliseconds) over which the transfer speed is calculated
+    granularity: u32, // Time period (in milliseconds) over which the transfer speed is calculated
 }
 
 impl TransferStats {
@@ -29,7 +29,8 @@ impl TransferStats {
 
         // If the accumulated time exceeds the granularity, calculate the transfer speed.
         if self.accumulated_time >= self.granularity as u128 {
-            self.transfer_speed = (self.accumulated_chunk_len as u128 / self.accumulated_time * 1024) as u64;
+            self.transfer_speed =
+                (self.accumulated_chunk_len as u128 / self.accumulated_time * 1024) as u64;
             self.accumulated_chunk_len = 0;
             self.accumulated_time = 0;
         }
@@ -44,4 +45,4 @@ impl Default for TransferStats {
     fn default() -> Self {
         Self::start(500) // Default granularity is 500
     }
-}
\ No newline at end of file
+}