diff --git a/app/Services/FileManagerService.php b/app/Services/FileManagerService.php
index 9646d92b..f6441dda 100644
--- a/app/Services/FileManagerService.php
+++ b/app/Services/FileManagerService.php
@@ -428,7 +428,7 @@ class FileManagerService
             if (!is_storage_driver(['local'])) {
 
                 // Move file to external storage service
-                self::move_to_external_storage($disk_file_name, $thumbnail);
+                $this->helper->move_to_external_storage($disk_file_name, $thumbnail);
             }
 
             // Store user upload size
@@ -487,71 +487,6 @@ class FileManagerService
         }
     }
 
-    /**
-     * Move file to external storage if is set
-     *
-     * @param string $filename
-     * @param string|null $thumbnail
-     */
-    private function move_to_external_storage(string $filename, ?string $thumbnail): void
-    {
-        $disk_local = Storage::disk('local');
-
-        foreach ([$filename, $thumbnail] as $file) {
-
-            // Check if file exist
-            if (!$file) continue;
-
-            // Get file size
-            $filesize = $disk_local->size('files/' . $file);
-
-            // If file is bigger than 5.2MB then run multipart upload
-            if ($filesize > 5242880) {
-
-                // Get driver
-                $driver = \Storage::getDriver();
-
-                // Get adapter
-                $adapter = $driver->getAdapter();
-
-                // Get client
-                $client = $adapter->getClient();
-
-                // Prepare the upload parameters.
-                // TODO: replace local files with temp folder
-                $uploader = new MultipartUploader($client, config('filesystems.disks.local.root') . '/files/' . $file, [
-                    'bucket' => $adapter->getBucket(),
-                    'key'    => 'files/' . $file
-                ]);
-
-                try {
-
-                    // Upload content
-                    $uploader->upload();
-
-                } catch (MultipartUploadException $e) {
-
-                    // Write error log
-                    Log::error($e->getMessage());
-
-                    // Delete file after error
-                    $disk_local->delete('files/' . $file);
-
-                    throw new HttpException(409, $e->getMessage());
-                }
-
-            } else {
-
-                // Stream file object to s3
-                // TODO: replace local files with temp folder
-                Storage::putFileAs('files', config('filesystems.disks.local.root') . '/files/' . $file, $file, 'private');
-            }
-
-            // Delete file after upload
-            $disk_local->delete('files/' . $file);
-        }
-    }
-
     /**
      * Create thumbnail for images
      *
diff --git a/app/Services/HelperService.php b/app/Services/HelperService.php
index 3cc036fa..3ce8c462 100644
--- a/app/Services/HelperService.php
+++ b/app/Services/HelperService.php
@@ -3,9 +3,13 @@
 namespace App\Services;
 
 use App\Models\Folder;
+use Aws\Exception\MultipartUploadException;
+use Aws\S3\MultipartUploader;
 use DB;
 use Illuminate\Support\Arr;
+use Illuminate\Support\Facades\Log;
 use Illuminate\Support\Facades\Storage;
+use Symfony\Component\HttpKernel\Exception\HttpException;
 
 class HelperService
 {
@@ -88,4 +92,69 @@ class HelperService
             abort(423, 'You exceed your storage limit!');
         }
     }
+
+    /**
+     * Move file to external storage if is set
+     *
+     * @param string $filename
+     * @param string|null $thumbnail
+     */
+    function move_to_external_storage(string $filename, ?string $thumbnail): void
+    {
+        $disk_local = Storage::disk('local');
+
+        foreach ([$filename, $thumbnail] as $file) {
+
+            // Check if file exist
+            if (!$file) continue;
+
+            // Get file size
+            $filesize = $disk_local->size('files/' . $file);
+
+            // If file is bigger than 5.2MB then run multipart upload
+            if ($filesize > 5242880) {
+
+                // Get driver
+                $driver = \Storage::getDriver();
+
+                // Get adapter
+                $adapter = $driver->getAdapter();
+
+                // Get client
+                $client = $adapter->getClient();
+
+                // Prepare the upload parameters.
+                // TODO: replace local files with temp folder
+                $uploader = new MultipartUploader($client, config('filesystems.disks.local.root') . '/files/' . $file, [
+                    'bucket' => $adapter->getBucket(),
+                    'key'    => 'files/' . $file
+                ]);
+
+                try {
+
+                    // Upload content
+                    $uploader->upload();
+
+                } catch (MultipartUploadException $e) {
+
+                    // Write error log
+                    Log::error($e->getMessage());
+
+                    // Delete file after error
+                    $disk_local->delete('files/' . $file);
+
+                    throw new HttpException(409, $e->getMessage());
+                }
+
+            } else {
+
+                // Stream file object to s3
+                // TODO: replace local files with temp folder
+                Storage::putFileAs('files', config('filesystems.disks.local.root') . '/files/' . $file, $file, 'private');
+            }
+
+            // Delete file after upload
+            $disk_local->delete('files/' . $file);
+        }
+    }
 }
\ No newline at end of file