diff --git a/vcsim/main.go b/vcsim/main.go
index 738ced72b..31e921e65 100644
--- a/vcsim/main.go
+++ b/vcsim/main.go
@@ -143,6 +143,7 @@ func main() {
 			}
 		}
 		model.DelayConfig.MethodDelay = m
+		simulator.TaskDelay.MethodDelay = m
 	}
 
 	var err error