diff --git a/companion/src/firmwares/opentx/simulator/opentxsimulator.cpp b/companion/src/firmwares/opentx/simulator/opentxsimulator.cpp
index 7012e11f6..ee5ea2739 100644
--- a/companion/src/firmwares/opentx/simulator/opentxsimulator.cpp
+++ b/companion/src/firmwares/opentx/simulator/opentxsimulator.cpp
@@ -69,6 +69,10 @@
 #define FRSKY_SPORT
 #endif
 
+#if defined (PCBTARANIS)
+#define MIXERS_MONITOR
+#endif
+
 #undef min
 #undef max