diff --git a/src/indexer.rs b/src/indexer.rs
index 793c582..2675c22 100644
--- a/src/indexer.rs
+++ b/src/indexer.rs
@@ -455,7 +455,7 @@ pub async fn index_server(server: Arc<RelayServer>, host: String) -> Result<()>
     {
         let mut active_indexers = server.active_indexers.lock().await;
         if active_indexers.contains(&host) {
-            bail!("Indexer already running for host {}", &host);
+            bail!("Indexer already running for host");
         }
 
         active_indexers.insert(host.clone());
diff --git a/src/request_crawl.rs b/src/request_crawl.rs
index 1ea2b2f..9215533 100644
--- a/src/request_crawl.rs
+++ b/src/request_crawl.rs
@@ -21,9 +21,12 @@ pub async fn handle_request_crawl(
         Ok(input) => input,
         Err(_) => {
             // TODO: surely we can build out an XRPC abstraction or something
-            return Ok(Response::builder().status(400).body(body_full(
-                r#"{"error":"InvalidRequest","message":"Failed to parse request body"}"#,
-            ))?);
+            return Ok(Response::builder()
+                .status(400)
+                .header("Content-Type", "application/json")
+                .body(body_full(
+                    r#"{"error":"InvalidRequest","message":"Failed to parse request body"}"#,
+                ))?);
         }
     };
 
@@ -36,5 +39,6 @@ pub async fn handle_request_crawl(
 
     Ok(Response::builder()
         .status(200)
+        .header("Content-Type", "application/json")
         .body(body_full(r#"{"status":"ok"}"#))?)
 }