diff --git a/firmware/tunerstudio/rusefi.input b/firmware/tunerstudio/rusefi.input
index 230193d449..7cdeee32c3 100644
--- a/firmware/tunerstudio/rusefi.input
+++ b/firmware/tunerstudio/rusefi.input
@@ -38,7 +38,7 @@ enable2ndByteCanID = false
 [TunerStudio]
 	queryCommand	= "S"
 	versionInfo	= "V"  ; firmware version for title bar.
-	signature	= @@TS_SIGNATURE@@ ; signature is expected to be 7 or more characters.
+	signature= @@TS_SIGNATURE@@ ; signature is expected to be 7 or more characters.
 
 	; TS will try to use legacy temp units in some cases, showing "deg F" on a CLT gauge that's actually deg C
 	useLegacyFTempUnits = false