diff --git a/app/Http/Controllers/MediaController.php b/app/Http/Controllers/MediaController.php
index 74bfc57..a530f5d 100644
--- a/app/Http/Controllers/MediaController.php
+++ b/app/Http/Controllers/MediaController.php
@@ -152,7 +152,7 @@ class MediaController extends Controller
         $fileName = $request->input('filename', $file->getClientOriginalName());
         $fileName = Helpers::cleanFileName($fileName);
 
-        if($request->has('fileappend') && $request->has('filesize')) {
+        if(($request->has('filestart') || $request->has('fileappend')) && $request->has('filesize')) {
             $fileSize = $request->get('filesize');
 
             if($fileSize > $max_size) {
@@ -166,8 +166,13 @@ class MediaController extends Controller
 
             $tempFilePath = sys_get_temp_dir() . '/chunk-' . $fileName;
 
+            $filemode = 'a';
+            if($request->has('filestart')) {
+                $filemode = 'w';
+            }
+
             // Append the chunk to the temporary file
-            $fp = fopen($tempFilePath, 'a');
+            $fp = fopen($tempFilePath, $filemode);
             if ($fp) {
                 fwrite($fp, file_get_contents($file->getRealPath()));
                 fclose($fp);
diff --git a/public/script.js b/public/script.js
index 3757814..982fa51 100644
--- a/public/script.js
+++ b/public/script.js
@@ -130,7 +130,13 @@ let SM = {
             formData.append('file', chunk);
             formData.append('filename', file.name);
             formData.append('filesize', file.size);
-            formData.append('fileappend', true);
+
+            if (start === 0) {
+                formData.append('filestart', true);
+            } else {
+                formData.append('fileappend', true);
+            }
+
             if (title !== '') {
                 formData.append('title', title);
             }