diff --git a/src/xzdec/xzdec.c b/src/xzdec/xzdec.c
index 95a412f4..e9645c3f 100644
--- a/src/xzdec/xzdec.c
+++ b/src/xzdec/xzdec.c
@@ -28,6 +28,10 @@
 #ifdef TUKLIB_DOSLIKE
 #	include <fcntl.h>
 #	include <io.h>
+#	ifdef _MSC_VER
+#		define fileno _fileno
+#		define setmode _setmode
+#	endif
 #endif