diff --git a/src/main/io/serial_msp.c b/src/main/io/serial_msp.c
index 980d4636e..a3b0302d4 100644
--- a/src/main/io/serial_msp.c
+++ b/src/main/io/serial_msp.c
@@ -1136,7 +1136,7 @@ static bool processOutCommand(uint8_t cmdMSP)
         break;
 
     case MSP_RX_CONFIG:
-        headSerialReply(8);
+        headSerialReply(12);
         serialize8(masterConfig.rxConfig.serialrx_provider);
         serialize16(masterConfig.rxConfig.maxcheck);
         serialize16(masterConfig.rxConfig.midrc);