diff --git a/bin/control-brightness.sh b/bin/control-brightness.sh
index bbddb19..b2be9f7 100755
--- a/bin/control-brightness.sh
+++ b/bin/control-brightness.sh
@@ -6,7 +6,7 @@ device=""
 if [[ "$active_output" == "HDMI-A-1" ]]; then
 	device="ddcci5"
 else
-	device="amdgpu_bl0"
+	device="amdgpu_bl1"
 fi
 
 param=""