1 files changed, 2 insertions, 0 deletions

diff --git a/include/mingw.h b/include/mingw.h
index 04700963c..569c2c704 100644
--- a/include/mingw.h
+++ b/include/mingw.h
@@ -448,7 +448,9 @@ DIR *mingw_opendir(const char *path);
  * MinGW specific
  */
 #define is_dir_sep(c) ((c) == '/' || (c) == '\\')
+#ifndef PRIuMAX
 #define PRIuMAX "I64u"
+#endif
 
 pid_t FAST_FUNC mingw_spawn(char **argv);
 intptr_t FAST_FUNC mingw_spawn_proc(char **argv);