diff --git a/backend/umax.c b/backend/umax.c
index 3e37260ad..9db1a1079 100644
--- a/backend/umax.c
+++ b/backend/umax.c
@@ -49,7 +49,7 @@
 
 /* --------------------------------------------------------------------------------------------------------- */
 
-#define BUILD 25
+#define BUILD 24
 
 /* --------------------------------------------------------------------------------------------------------- */