diff --git a/Source/Tools/FEXConfig/Main.cpp b/Source/Tools/FEXConfig/Main.cpp
index 094f29d2d..7b35c174f 100644
--- a/Source/Tools/FEXConfig/Main.cpp
+++ b/Source/Tools/FEXConfig/Main.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 #include "Common/Config.h"
 #include "Common/FileFormatCheck.h"
 #include "FEXCore/Config/Config.h"