diff --git a/ArduSub/ArduSub.cpp b/ArduSub/ArduSub.cpp
index cd211d952f..87e6daeae5 100644
--- a/ArduSub/ArduSub.cpp
+++ b/ArduSub/ArduSub.cpp
@@ -100,7 +100,7 @@ void Sub::perf_update(void)
 void Sub::loop()
 {
     scheduler.loop();
-    G_Dt = scheduler.last_loop_time;
+    G_Dt = scheduler.get_filtered_loop_time();
 }