diff --git a/setup/win32/setup.nsi b/setup/win32/setup.nsi
index ec602fbfa3d..a2095e98833 100755
--- a/setup/win32/setup.nsi
+++ b/setup/win32/setup.nsi
@@ -41,7 +41,7 @@
 !define PUBLISHER 'Odoo S.A.'
 
 !ifndef MAJOR_VERSION
-    !define MAJOR_VERSION '12'
+    !define MAJOR_VERSION '13'
 !endif
 
 !ifndef MINOR_VERSION