diff --git a/src/Version.cc b/src/Version.cc
index 826f45cecd..34d0069bb3 100644
--- a/src/Version.cc
+++ b/src/Version.cc
@@ -7,7 +7,8 @@ namespace openmsx {
 std::string Version::full()
 {
 	return std::string("openMSX ") + VERSION +
-	       (RELEASE ? std::string{} : (std::string("-") + REVISION));
+	       (RELEASE ? std::string{} : (std::string("-") + REVISION)) +
+	       " / TSX rev2.1";
 }
 
 } // namespace openmsx