diff --git a/msvc_extra_headers/ardourext/sys/targetsxs.h.input b/msvc_extra_headers/ardourext/sys/targetsxs.h.input
index cc18c61b81..d9ffee8ff3 100644
--- a/msvc_extra_headers/ardourext/sys/targetsxs.h.input
+++ b/msvc_extra_headers/ardourext/sys/targetsxs.h.input
@@ -26,9 +26,9 @@
 
 #ifndef CURRENT_SESSION_FILE_VERSION
 #ifdef  MIXBUS
-#define CURRENT_SESSION_FILE_VERSION 5990
-#else
 #define CURRENT_SESSION_FILE_VERSION 3002
+#else
+#define CURRENT_SESSION_FILE_VERSION 5990
 #endif
 #endif