diff --git a/ArduCopter/precision_landing.cpp b/ArduCopter/precision_landing.cpp
index 1f2d48097a..89804b3f58 100644
--- a/ArduCopter/precision_landing.cpp
+++ b/ArduCopter/precision_landing.cpp
@@ -8,7 +8,7 @@
 
 void Copter::init_precland()
 {
-    copter.precland.init();
+    copter.precland.init(400);
 }
 
 void Copter::update_precland()