diff --git a/vendor/github.com/jessevdk/go-flags/tiocgwinsz_linux.go b/vendor/github.com/jessevdk/go-flags/tiocgwinsz_linux.go
new file mode 100644
index 0000000..e3975e2
--- /dev/null
+++ b/vendor/github.com/jessevdk/go-flags/tiocgwinsz_linux.go
@@ -0,0 +1,7 @@
+// +build linux
+
+package flags
+
+const (
+	tIOCGWINSZ = 0x5413
+)