diff --git a/plugins/localhost/src/lib.rs b/plugins/localhost/src/lib.rs
index 1bfa3b29..ddf4eb2b 100644
--- a/plugins/localhost/src/lib.rs
+++ b/plugins/localhost/src/lib.rs
@@ -63,7 +63,7 @@ impl Builder {
         self.host = Some(host.as_ref().to_string());
         self
     }
-    
+
     pub fn on_request<F: Fn(&Request, &mut Response) + Send + Sync + 'static>(
         mut self,
         f: F,