diff --git a/src/task.rs b/src/task.rs
index 7ad6e90..ae62379 100644
--- a/src/task.rs
+++ b/src/task.rs
@@ -122,6 +122,9 @@ impl Task {
                 }
             }
         }
+        if let Some(start) = start {
+            total += (Timestamp::now() - start).as_u64();
+        }
         total
     }