diff --git a/xpdevplus.h.in b/xpdevplus.h.in
index f52a451bac37d05628c0378d2980d86707b953a0..6875c673109553cf48448486c17efcdaefdb6823 100644
--- a/xpdevplus.h.in
+++ b/xpdevplus.h.in
@@ -6,5 +6,6 @@
 #cmakedefine HAS_INTTYPES_H
 #cmakedefine HAS_STDINT_H
 #cmakedefine LINK_LIST_THREADSAFE
+#define DISABLE_MKSTEMP_DEFINE
 
 #endif