diff --git a/ArduPlane/ArduPlane.cpp b/ArduPlane/ArduPlane.cpp
index a98b07fcf3..527b884417 100644
--- a/ArduPlane/ArduPlane.cpp
+++ b/ArduPlane/ArduPlane.cpp
@@ -48,8 +48,8 @@ const AP_Scheduler::Task Plane::scheduler_tasks[] = {
     SCHED_TASK(update_alt,             10,    200),
     SCHED_TASK(adjust_altitude_target, 10,    200),
     SCHED_TASK(afs_fs_check,           10,    100),
-    SCHED_TASK_CLASS(GCS,            (GCS*)&plane._gcs,       update_receive,    50,  500),
-    SCHED_TASK_CLASS(GCS,            (GCS*)&plane._gcs,       update_send,       50,  500),
+    SCHED_TASK_CLASS(GCS,            (GCS*)&plane._gcs,       update_receive,   300,  500),
+    SCHED_TASK_CLASS(GCS,            (GCS*)&plane._gcs,       update_send,      300,  500),
     SCHED_TASK_CLASS(AP_ServoRelayEvents, &plane.ServoRelayEvents, update_events,          50,  150),
     SCHED_TASK_CLASS(AP_BattMonitor, &plane.battery, read, 10, 300),
     SCHED_TASK_CLASS(AP_Baro, &plane.barometer, accumulate, 50, 150),