diff --git a/crates/metrics/src/lib.rs b/crates/metrics/src/lib.rs
index 7d6e3ef..2f48ec2 100644
--- a/crates/metrics/src/lib.rs
+++ b/crates/metrics/src/lib.rs
@@ -20,7 +20,7 @@ const DEFAULT_SERVICE_NAME: &str = "unknown_service";
static SERVICE_NAME: Mutex