diff --git a/kiauh/core/services/backup_service.py b/kiauh/core/services/backup_service.py
index 8abdf64..8653f5a 100644
--- a/kiauh/core/services/backup_service.py
+++ b/kiauh/core/services/backup_service.py
@@ -62,16 +62,16 @@ class BackupService:
                 target_name
                 or f"{source_path.stem}_{self.timestamp}{source_path.suffix}"
             )
-            if target_path is not None:
-                backup_path = self._backup_root.joinpath(target_path, filename)
-            else:
-                backup_path = self._backup_root.joinpath(filename)
 
-            backup_path.mkdir(parents=True, exist_ok=True)
-            shutil.copy2(source_path, backup_path)
+            backup_dir = self._backup_root
+            if target_path is not None:
+                backup_dir = self._backup_root.joinpath(target_path)
+
+            backup_dir.mkdir(parents=True, exist_ok=True)
+            shutil.copy2(source_path, backup_dir.joinpath(filename))
 
             Logger.print_ok(
-                f"Successfully backed up '{source_path}' to '{backup_path}'"
+                f"Successfully backed up '{source_path}' to '{backup_dir}'"
             )
             return True