diff --git a/examples/download_progress/src/download.rs b/examples/download_progress/src/download.rs
index 96e1dc28..f46a01f7 100644
--- a/examples/download_progress/src/download.rs
+++ b/examples/download_progress/src/download.rs
@@ -20,7 +20,9 @@ where
 
     fn hash(&self, state: &mut H) {
         use std::hash::Hash;
+
         std::any::TypeId::of::<Self>().hash(state);
+        self.url.hash(state);
     }
 
     fn stream(