diff --git a/companion/src/firmwares/opentx/opentxTaranisSimulator.cpp b/companion/src/firmwares/opentx/opentxTaranisSimulator.cpp
index ed934036a..dfe271830 100644
--- a/companion/src/firmwares/opentx/opentxTaranisSimulator.cpp
+++ b/companion/src/firmwares/opentx/opentxTaranisSimulator.cpp
@@ -93,6 +93,7 @@ inline int geteepromsize() {
 #include "radio/src/gui/view_text.cpp"
 #include "radio/src/gui/view_about.cpp"
 #include "radio/src/lcd.cpp"
+#include "radio/src/strhelpers.cpp"
 #include "radio/src/logs.cpp"
 #include "radio/src/rtc.cpp"
 #include "radio/src/targets/taranis/keys_driver.cpp"