diff --git a/radio/src/targets/horus/hal.h b/radio/src/targets/horus/hal.h
index 5c07cb7b5..a81cbbafd 100644
--- a/radio/src/targets/horus/hal.h
+++ b/radio/src/targets/horus/hal.h
@@ -205,6 +205,7 @@
   #define KEYS_GPIOJ_PINS               (SWITCHES_GPIO_PIN_D_H | TRIMS_GPIO_PIN_RVU | TRIMS_GPIO_PIN_LVD | TRIMS_GPIO_PIN_LVU | TRIMS_GPIO_PIN_RSD)
 #elif defined(PCBX10)
   #define KEYS_GPIOB_PINS               (GPIO_Pin_12 | GPIO_Pin_15 | GPIO_Pin_14 | GPIO_Pin_13 | GPIO_Pin_8 | GPIO_Pin_9)
+  #define KEYS_GPIOC_PINS               (GPIO_Pin_8)
   #define KEYS_GPIOD_PINS               (GPIO_Pin_11 | GPIO_Pin_3 | GPIO_Pin_7 | GPIO_Pin_13)
   #define KEYS_GPIOE_PINS               (GPIO_Pin_3)
   #define KEYS_GPIOG_PINS               (SWITCHES_GPIO_PIN_D_L | SWITCHES_GPIO_PIN_G_H | SWITCHES_GPIO_PIN_G_L | SWITCHES_GPIO_PIN_H | TRIMS_GPIO_PIN_LVD)