diff --git a/radio/src/tasks.cpp b/radio/src/tasks.cpp
index 7c3895598..c5d6451c9 100644
--- a/radio/src/tasks.cpp
+++ b/radio/src/tasks.cpp
@@ -107,7 +107,7 @@ TASK_FUNCTION(mixerTask)
   static uint32_t lastRunTime;
   s_pulses_paused = true;
 
-  while (1) {
+  while (true) {
 #if defined(PCBTARANIS) && defined(SBUS)
     // SBUS trainer
     processSbusInput();
diff --git a/radio/src/telemetry/telemetry_sensors.cpp b/radio/src/telemetry/telemetry_sensors.cpp
index 2b02b6845..779e072c6 100644
--- a/radio/src/telemetry/telemetry_sensors.cpp
+++ b/radio/src/telemetry/telemetry_sensors.cpp
@@ -34,7 +34,6 @@ bool isFaiForbidden(source_t idx)
   TelemetrySensor * sensor = &g_model.telemetrySensors[(idx-MIXSRC_FIRST_TELEM)/3];
 
   switch (telemetryProtocol) {
-
     case PROTOCOL_TELEMETRY_FRSKY_SPORT:
       if (sensor->id == RSSI_ID) {
         return false;
@@ -355,11 +354,20 @@ void TelemetryItem::eval(const TelemetrySensor & sensor)
           }
         }
         uint32_t angle = abs(gpsItem.gps.latitude - gpsItem.pilotLatitude);
+#if defined(STM32)
         uint32_t dist = uint64_t(EARTH_RADIUS * M_PI / 180) * angle / 1000000;
+#else
+        // TODO search later why it breaks Sky9x
+        uint32_t dist = EARTH_RADIUS * angle / 1000000;
+#endif
         uint32_t result = dist * dist;
 
         angle = abs(gpsItem.gps.longitude - gpsItem.pilotLongitude);
+#if defined(STM32)
         dist = uint64_t(gpsItem.distFromEarthAxis) * angle / 1000000;
+#else
+        dist = gpsItem.distFromEarthAxis * angle / 1000000;
+#endif
         result += dist * dist;
 
         // Length on ground (ignoring curvature of the earth)