1 files changed, 3 insertions, 0 deletions
diff --git a/compat/mingw.h b/compat/mingw.h
index f31dcff2be..b04556ce0e 100644
--- a/compat/mingw.h
+++ b/compat/mingw.h
@@ -390,6 +390,9 @@ int mingw_raise(int sig);
 int winansi_isatty(int fd);
 #define isatty winansi_isatty
 
+int winansi_dup2(int oldfd, int newfd);
+#define dup2 winansi_dup2
+
 void winansi_init(void);
 HANDLE winansi_get_osfhandle(int fd);