diff --git a/rtgui/ppversion.h b/rtgui/ppversion.h
index 3a4019b36..89f93ed44 100644
--- a/rtgui/ppversion.h
+++ b/rtgui/ppversion.h
@@ -1,7 +1,7 @@
 #pragma once
 
 // This number has to be incremented whenever the PP3 file format is modified or the behaviour of a tool changes
-#define PPVERSION 349
+#define PPVERSION 346
 #define PPVERSION_AEXP 301 //value of PPVERSION when auto exposure algorithm was modified
 
 /*