diff --git a/flight/modules/OPLink/oplinkmod.c b/flight/modules/OPLink/oplinkmod.c
index a1a4a3442..994e0d5d9 100644
--- a/flight/modules/OPLink/oplinkmod.c
+++ b/flight/modules/OPLink/oplinkmod.c
@@ -118,6 +118,9 @@ static void systemTask(__attribute__((unused)) void *parameters)
     /* create all modules thread */
     MODULE_TASKCREATE_ALL;
 
+    /* start the delayed callback scheduler */
+    CallbackSchedulerStart();
+
     if (mallocFailed) {
         /* We failed to malloc during task creation,
          * system behaviour is undefined.  Reset and let