diff --git a/libfreerdp/utils/args.c b/libfreerdp/utils/args.c
index b5aff69d3..75f0cb5a8 100644
--- a/libfreerdp/utils/args.c
+++ b/libfreerdp/utils/args.c
@@ -31,6 +31,7 @@
 #define isatty _isatty
 #ifndef STDIN_FILENO
 #define STDIN_FILENO 0
+#endif
 #else
 #include <unistd.h>
 #endif