diff --git a/router/src/server.rs b/router/src/server.rs
index 9fdd66cc..3dbd159d 100644
--- a/router/src/server.rs
+++ b/router/src/server.rs
@@ -239,7 +239,7 @@ async fn generate(
     headers.insert("x-compute-type", compute_type.parse().unwrap());
     headers.insert(
         "x-compute-time",
-        total_time.as_millis().to_string().parse().unwrap(),
+        total_time.as_secs_f64().to_string().parse().unwrap(),
     );
     headers.insert(
         "x-compute-characters",