diff --git a/firmware/tunerstudio/rusefi.input b/firmware/tunerstudio/rusefi.input
index fd2d1cb693..bb4275c8f0 100644
--- a/firmware/tunerstudio/rusefi.input
+++ b/firmware/tunerstudio/rusefi.input
@@ -162,7 +162,7 @@ fileVersion = { 20190701 }
    ochGetCommand    = "O%2o%2c"
 
 ; see TS_OUTPUT_SIZE in console source code
-   ochBlockSize     = 356
+   ochBlockSize     = @@TS_OUTPUT_SIZE@@
 
 ;
 ; see TunerStudioOutputChannels struct