diff --git a/radio/src/targets/simu/simpgmspace.cpp b/radio/src/targets/simu/simpgmspace.cpp
index 278fe2483..9035fcf4a 100644
--- a/radio/src/targets/simu/simpgmspace.cpp
+++ b/radio/src/targets/simu/simpgmspace.cpp
@@ -341,6 +341,9 @@ void *main_thread(void *)
     while (main_thread_running) {
 #if defined(CPUARM)
       doMixerCalculations();
+#if defined(FRSKY) || defined(MAVLINK)
+      telemetryWakeup();
+#endif
       checkTrims();
 #endif
       perMain();
diff --git a/radio/src/tasks_arm.cpp b/radio/src/tasks_arm.cpp
index 1bf547408..971fb3115 100644
--- a/radio/src/tasks_arm.cpp
+++ b/radio/src/tasks_arm.cpp
@@ -132,7 +132,7 @@ void mixerTask(void * pdata)
       doMixerCalculations();
       CoLeaveMutexSection(mixerMutex);
 
-#if defined(FRSKY) || defined(MAVLINK) || defined(SIMU)
+#if defined(FRSKY) || defined(MAVLINK)
       telemetryWakeup();
 #endif
 
@@ -212,4 +212,4 @@ void tasksStart()
   CoStartOS();
 }
 
-#endif // #if !defined(SIMU)
\ No newline at end of file
+#endif // #if !defined(SIMU)