diff --git a/companion/src/firmwares/opentx/opentxTaranisSimulator.cpp b/companion/src/firmwares/opentx/opentxTaranisSimulator.cpp
index 47b8fb04a..fbd65c564 100644
--- a/companion/src/firmwares/opentx/opentxTaranisSimulator.cpp
+++ b/companion/src/firmwares/opentx/opentxTaranisSimulator.cpp
@@ -77,6 +77,7 @@ inline int geteepromsize() {
 #include "radio/src/targets/taranis/pulses_driver.cpp"
 #include "radio/src/targets/taranis/rtc_driver.cpp"
 #include "radio/src/targets/taranis/trainer_driver.cpp"
+#include "radio/src/targets/taranis/uart3_driver.cpp"
 #include "radio/src/protocols/pulses_arm.cpp"
 #include "radio/src/stamp.cpp"
 #include "radio/src/maths.cpp"