diff --git a/src/Lidarr.Http/Frontend/Mappers/BackupFileMapper.cs b/src/Lidarr.Http/Frontend/Mappers/BackupFileMapper.cs
index 1b160fac3..8c6bb6e07 100644
--- a/src/Lidarr.Http/Frontend/Mappers/BackupFileMapper.cs
+++ b/src/Lidarr.Http/Frontend/Mappers/BackupFileMapper.cs
@@ -15,7 +15,7 @@ public BackupFileMapper(IBackupService backupService, IDiskProvider diskProvider
             _backupService = backupService;
         }
 
-        protected override string FolderPath => _backupService.GetBackupFolder();
+        protected override string FolderPath => _backupService.GetBackupFolder().TrimEnd(Path.DirectorySeparatorChar);
 
         protected override string MapPath(string resourceUrl)
         {