diff --git a/compat/mingw.h b/compat/mingw.h
index a93ce87d21b9cd..0af67843d7680e 100644
--- a/compat/mingw.h
+++ b/compat/mingw.h
@@ -475,6 +475,9 @@ 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);
 
diff --git a/compat/winansi.c b/compat/winansi.c
index 986bfb30cf5b06..7e3534e9a16e88 100644
--- a/compat/winansi.c
+++ b/compat/winansi.c
@@ -457,6 +457,18 @@ static void die_lasterr(const char *fmt, ...)
 	va_end(params);
 }
 
+#undef dup2
+int winansi_dup2(int oldfd, int newfd)
+{
+	int ret = dup2(oldfd, newfd);
+
+	if (!ret && newfd >= 0 && newfd <= 2)
+		fd_is_interactive[newfd] = oldfd < 0 || oldfd > 2 ?
+			0 : fd_is_interactive[oldfd];
+
+	return ret;
+}
+
 static HANDLE duplicate_handle(HANDLE hnd)
 {
 	HANDLE hresult, hproc = GetCurrentProcess();