diff --git a/elettra_lattice.json b/elettra_lattice.json
index 040f51cfdbeebce1e5da30661dc38696d67bc8fc..f5e8096822745a1106e9ea405be78e750797e11a 100644
--- a/elettra_lattice.json
+++ b/elettra_lattice.json
@@ -2,7 +2,7 @@
 	"conf": {
 		"modules": ["simulator"],
 		"shortcut": {
-			"Power Supplies": "machine=elettra&bl=hide&ps&camera=51010,30171,-33995,-2.21,0.73,2.41"
+			"Power Supplies": "machine=elettra&bl=hide&ps&camera=51010,30171,-33995,-2.21,0.73,2.41&background=black"
 		}
 	},
 	"preinjector": {