diff --git a/src/consts.rs b/src/consts.rs
index 34f84cf8..1bf2563f 100644
--- a/src/consts.rs
+++ b/src/consts.rs
@@ -11,17 +11,17 @@ pub const DEFAULT_POOL_IDLE_TIMEOUT_SECS: u64 = 28;
 pub const DEFAULT_CONNECTION_LIMIT_PER_HOST: usize = 512;
 
 /// Header name for BuilderNet signature.
-pub const BUILDERNET_SIGNATURE_HEADER: &str = "X-BuilderNet-Signature";
+pub const BUILDERNET_SIGNATURE_HEADER: &str = "x-buildernet-signature";
 
 /// Header name for Flashbots signature.
 /// NOTE: this header is used for backwards compatibility.
 pub const FLASHBOTS_SIGNATURE_HEADER: &str = "X-Flashbots-Signature";
 
 /// Header name for flashbots priority.
-pub const BUILDERNET_PRIORITY_HEADER: &str = "X-BuilderNet-Priority";
+pub const BUILDERNET_PRIORITY_HEADER: &str = "x-buildernet-priority";
 
 /// Header name for BuilderNet sent at timestamp (in Unix microseconds).
-pub const BUILDERNET_SENT_AT_HEADER: &str = "X-BuilderNet-SentAtUs";
+pub const BUILDERNET_SENT_AT_HEADER: &str = "x-buildernet-sentatus";
 
 /// Header name for XFF header.
 pub const XFF_HEADER: &str = "X-Forwarded-For";
diff --git a/src/ingress/mod.rs b/src/ingress/mod.rs
index df99a529..114f41e3 100644
--- a/src/ingress/mod.rs
+++ b/src/ingress/mod.rs
@@ -467,7 +467,7 @@ impl OrderflowIngress {
 
         let mut priority = Priority::Low;
         if let Some(priority_) =
-            headers.get(&BUILDERNET_PRIORITY_HEADER.to_lowercase()).and_then(|h| h.parse().ok())
+            headers.get(BUILDERNET_PRIORITY_HEADER).and_then(|h| h.parse().ok())
         {
             priority = priority_;
         } else {