diff --git a/src/main/io/rcdevice.h b/src/main/io/rcdevice.h
index ed87a30ee7..80e786f462 100644
--- a/src/main/io/rcdevice.h
+++ b/src/main/io/rcdevice.h
@@ -154,7 +154,7 @@ typedef struct {
 
 typedef struct {
     uint8_t command;
-    uint8_t data[255];
+    uint8_t data[RCDEVICE_PROTOCOL_MAX_DATA_SIZE - 1];
     uint8_t dataLength;
 } runcamDeviceRequest_t;