diff --git a/src/task/chrooting/mapping.rs b/src/task/chrooting/mapping.rs
index 015d121..2650030 100644
--- a/src/task/chrooting/mapping.rs
+++ b/src/task/chrooting/mapping.rs
@@ -124,8 +124,7 @@ impl Mapping {
                 .await
                 .map_err(|e| ChrootError::Mount(dst.to_owned(), e))?;
         }
-        let fs_type =
-            FilesystemType::Manual(opt.fs_type.as_deref().unwrap_or(""));
+        let fs_type = FilesystemType::Manual(opt.fs_type.as_deref().unwrap_or(""));
         let flags = opt.mount_flags.unwrap_or_else(MountFlags::empty);
 
         let mount = MountBuilder::default()