diff --git a/Multiprotocol/FrSky_Rx_cc2500.ino b/Multiprotocol/FrSky_Rx_cc2500.ino
index f15c6d6..8bf3c01 100644
--- a/Multiprotocol/FrSky_Rx_cc2500.ino
+++ b/Multiprotocol/FrSky_Rx_cc2500.ino
@@ -419,8 +419,10 @@ uint16_t FrSky_Rx_callback()
 				if (frsky_rx_format == FRSKY_RX_D16FCC || frsky_rx_format == FRSKY_RX_D16LBT)
 				{
 					if(rx_data_started)
-						if(frsky_rx_chanskip != ((packet[4] & 0xC0) >> 6) | ((packet[5] & 0x3F) << 2))
+					{
+						if(frsky_rx_chanskip != (((packet[4] & 0xC0) >> 6) | ((packet[5] & 0x3F) << 2)))
 							chanskip_valid=false;	// chanskip value has changed which surely indicates a bad frame
+					}
 					else
 						frsky_rx_chanskip = ((packet[4] & 0xC0) >> 6) | ((packet[5] & 0x3F) << 2);	// chanskip init
 				}