diff --git a/firmware/console/binary/tunerstudio_commands.cpp b/firmware/console/binary/tunerstudio_commands.cpp
index 3f11af0dd2..cfc1053ff7 100644
--- a/firmware/console/binary/tunerstudio_commands.cpp
+++ b/firmware/console/binary/tunerstudio_commands.cpp
@@ -38,7 +38,7 @@ bool rebootForPresetPending = false;
  * Gauges refresh
  */
 void TunerStudio::cmdOutputChannels(TsChannelBase* tsChannel, uint16_t offset, uint16_t count) {
-	if (offset + count > sizeof(TunerStudioOutputChannels)) {
+	if (offset + count > TS_TOTAL_OUTPUT_SIZE) {
 		efiPrintf("TS: Version Mismatch? Too much outputs requested %d/%d/%d", offset, count,
 				sizeof(TunerStudioOutputChannels));
 		sendErrorCode(tsChannel, TS_RESPONSE_OUT_OF_RANGE);