diff --git a/src/main/io/serial_msp.c b/src/main/io/serial_msp.c
index 36a86f81e3..c70e19fe87 100644
--- a/src/main/io/serial_msp.c
+++ b/src/main/io/serial_msp.c
@@ -1451,7 +1451,7 @@ static bool processInCommand(void)
     case MSP_SET_LED_STRIP_CONFIG:
         {
             i = read8();
-            if (i >= MAX_LED_STRIP_LENGTH || currentPort->dataSize != 8) {
+            if (i >= MAX_LED_STRIP_LENGTH || currentPort->dataSize != (1 + 7)) {
                 headSerialError(0);
                 break;
             }