diff --git a/src/common/consprop.c b/src/common/consprop.c
index 5cf89fbb0..f916ef4a7 100644
--- a/src/common/consprop.c
+++ b/src/common/consprop.c
@@ -37,6 +37,8 @@
 #  include <windows.h>
 #  include <io.h>
 #  define isatty _isatty
+#  define STDOUT_FILENO  1
+#  define STDERR_FILENO  2
 #endif
 
 /* common */