diff --git a/router/src/server.rs b/router/src/server.rs
index 516a2ef6..fa2ba001 100644
--- a/router/src/server.rs
+++ b/router/src/server.rs
@@ -1815,7 +1815,7 @@ pub async fn run(
                          request: axum::extract::Request,
                          next: axum::middleware::Next| async move {
             match headers.get(AUTHORIZATION) {
-                Some(token) if token.to_lowercase() == api_key.to_lowercase() => {
+                Some(token) if token.to_str().to_lowercase() == api_key.to_lowercase() => {
                     let response = next.run(request).await;
                     Ok(response)
                 }