diff --git a/firmware/integration/rusefi_config.txt b/firmware/integration/rusefi_config.txt
index 9f7e8d82cf..eb6ccd3903 100644
--- a/firmware/integration/rusefi_config.txt
+++ b/firmware/integration/rusefi_config.txt
@@ -925,8 +925,10 @@ custom maf_sensor_type_e 4 bits, S32, @OFFSET@, [0:1], @@maf_sensor_type_e_enum@
 	bit knockBankCyl11,"Channel 2","Channel 1"
 	bit knockBankCyl12,"Channel 2","Channel 1"
 	bit tcuEnabled
-	bit unusedBit_251_29
-	
+bit canBroadcastUseChannelTwo,"second","first"
+bit unusedBit_310_30
+bit unusedBit_310_31
+
 	dc_io[ETB_COUNT iterate] etbIo
 
 
diff --git a/firmware/tunerstudio/rusefi.input b/firmware/tunerstudio/rusefi.input
index 32652b7ce3..2376bc6a5b 100644
--- a/firmware/tunerstudio/rusefi.input
+++ b/firmware/tunerstudio/rusefi.input
@@ -3038,6 +3038,7 @@ cmd_set_engine_type_default					= "@@TS_IO_TEST_COMMAND_char@@\x00\x31\x00\x00"
 		field = "Verbose Can",                          verboseCan
 		field = "inertia measurement unit",             imuType
 		field = "Enable rusEFI CAN broadcast",			enableVerboseCanTx
+		field = "Which CAN channel to broadcast on",    canBroadcastUseChannelTwo
 		field = "rusEFI CAN data base address",			verboseCanBaseAddress
 		field = "rusEFI CAN data address type",			rusefiVerbose29b
 		field = "rusEFI CAN data period",				canSleepPeriodMs