diff --git a/main.go b/main.go
index 48cd4da..606863d 100644
--- a/main.go
+++ b/main.go
@@ -51,6 +51,7 @@ var (
 	chain                    = flag.Int("led-chain", 1, "number of displays daisy-chained")
 	brightness               = flag.Int("brightness", 100, "brightness (0-100)")
 	hardware_mapping         = flag.String("led-gpio-mapping", "regular", "Name of GPIO mapping used.")
+	led_multiplexing         = flag.Int("led-multiplexing", 1, "Multiplexing type.")
 	show_refresh             = flag.Bool("led-show-refresh", false, "Show refresh rate.")
 	inverse_colors           = flag.Bool("led-inverse", false, "Switch if your matrix has inverse colors on.")
 	disable_hardware_pulsing = flag.Bool("led-no-hardware-pulse", false, "Don't use hardware pin-pulse generation.")