diff --git a/arch-config/per-device/lupusregina/10-monitor.conf b/arch-config/per-device/lupusregina/10-monitor.conf
index 102d08b8..db81d528 100644
--- a/arch-config/per-device/lupusregina/10-monitor.conf
+++ b/arch-config/per-device/lupusregina/10-monitor.conf
@@ -1,5 +1,5 @@
 Section "Monitor"
-    Identifier "DisplayPort-1"
+    Identifier "DisplayPort-0"
     #DisplaySize 598 336 # In millimeters
     DisplaySize 541 304 # In millimeters
 EndSection