diff --git a/src/lib/rc/st24.c b/src/lib/rc/st24.c
index 5a13649b5a..31a1e3fd3d 100644
--- a/src/lib/rc/st24.c
+++ b/src/lib/rc/st24.c
@@ -102,7 +102,7 @@ uint8_t st24_common_crc8(uint8_t *ptr, uint8_t len)
 }
 
 
-uint8_t st24_decode(uint8_t byte, uint8_t *rssi, uint8_t* rx_count, uint16_t *channel_count, int16_t *channels, uint16_t max_chan_count)
+uint8_t st24_decode(uint8_t byte, uint8_t *rssi, uint8_t* rx_count, uint16_t *channel_count, uint16_t *channels, uint16_t max_chan_count)
 {
 
 	bool ret = false;
diff --git a/src/lib/rc/st24.h b/src/lib/rc/st24.h
index 45a835f77c..6023a75076 100644
--- a/src/lib/rc/st24.h
+++ b/src/lib/rc/st24.h
@@ -157,6 +157,6 @@ uint8_t st24_common_crc8(uint8_t *ptr, uint8_t len);
  * @param max_chan_count maximum channels to decode - if more channels are decoded, the last n are skipped and success (0) is returned
  * @return 0 for success (a decoded packet), 1 for no packet yet (accumulating), 3 for out of sync, 4 for checksum error
  */
-__EXPORT uint8_t st24_decode(uint8_t byte, uint8_t *rssi, uint8_t* rx_count, uint16_t* channel_count, int16_t *channels, uint16_t max_chan_count);
+__EXPORT uint8_t st24_decode(uint8_t byte, uint8_t *rssi, uint8_t* rx_count, uint16_t* channel_count, uint16_t *channels, uint16_t max_chan_count);
 
 __END_DECLS