diff --git a/radio/src/telemetry/frsky_sport.cpp b/radio/src/telemetry/frsky_sport.cpp
index 833a52dc4..6260a9278 100644
--- a/radio/src/telemetry/frsky_sport.cpp
+++ b/radio/src/telemetry/frsky_sport.cpp
@@ -83,12 +83,10 @@ const FrSkySportSensor * getFrSkySportSensor(uint16_t id)
 bool checkSportPacket(uint8_t *packet)
 {
   short crc = 0;
-  for (int i=1; i<FRSKY_SPORT_PACKET_SIZE; i++) {
-    crc += packet[i]; //0-1FF
-    crc += crc >> 8; //0-100
-    crc &= 0x00ff;
-    crc += crc >> 8; //0-0FF
-    crc &= 0x00ff;
+  for (int i=1; i<FRSKY_SPORT_PACKET_SIZE; ++i) {
+    crc += packet[i]; // 0-1FE
+    crc += crc >> 8;  // 0-1FF
+    crc &= 0x00ff;    // 0-FF
   }
   return (crc == 0x00ff);
 }