diff --git a/crates/lavina-core/src/clustering.rs b/crates/lavina-core/src/clustering.rs
index 524087f..6431a27 100644
--- a/crates/lavina-core/src/clustering.rs
+++ b/crates/lavina-core/src/clustering.rs
@@ -20,8 +20,9 @@ pub struct ClusterConfig {
 
 #[derive(Deserialize, Debug, Clone)]
 pub struct ClusterMetadata {
+    /// The node id of the current node.
     pub node_id: u32,
-    /// Owns all rooms and players in the cluster.
+    /// Owns all rooms in the cluster except the ones specified in `rooms`.
     pub main_owner: u32,
     pub rooms: HashMap<String, u32>,
 }
@@ -46,7 +47,13 @@ impl LavinaClient {
             return Err(anyhow!("Unknown node"));
         };
         match self.client.post(format!("http://{}{}", address, path)).json(&req).send().await {
-            Ok(_) => Ok(()),
+            Ok(res) => {
+                if res.status().is_server_error() || res.status().is_client_error() {
+                    tracing::error!("Cluster request failed: {:?}", res);
+                    return Err(anyhow!("Server error"));
+                }
+                Ok(())
+            }
             Err(e) => Err(e.into()),
         }
     }
diff --git a/src/http/clustering.rs b/src/http/clustering.rs
index df2605c..0314dd6 100644
--- a/src/http/clustering.rs
+++ b/src/http/clustering.rs
@@ -10,6 +10,8 @@ use lavina_core::repo::Storage;
 use lavina_core::room::RoomId;
 use lavina_core::LavinaCore;
 
+// TODO move this into core
+
 pub async fn route(
     core: &LavinaCore,
     storage: &Storage,