diff --git a/radio/src/targets/horus/pwr_driver.cpp b/radio/src/targets/horus/pwr_driver.cpp
index 99ea6af06..685860976 100644
--- a/radio/src/targets/horus/pwr_driver.cpp
+++ b/radio/src/targets/horus/pwr_driver.cpp
@@ -59,7 +59,11 @@ void pwrInit()
   GPIO_ResetBits(SD_PRESENT_GPIO, SD_PRESENT_GPIO_PIN);
   GPIO_InitStructure.GPIO_Pin = SD_PRESENT_GPIO_PIN;
   GPIO_Init(SD_PRESENT_GPIO, &GPIO_InitStructure);
-  
+
+  // Init TRAINER DETECT PIN
+  GPIO_InitStructure.GPIO_Pin = TRAINER_DETECT_GPIO_PIN;
+  GPIO_Init(TRAINER_DETECT_GPIO, &GPIO_InitStructure);
+
   pwrOn();
 }