diff --git a/GeoModelVisualization/VP1GeometrySystems/share/gmexMatVisAttributes.json b/GeoModelVisualization/VP1GeometrySystems/share/gmexMatVisAttributes.json
index dd15f3b1d955fdca21446fc50ff9da3134f7409b..66659a2ad17b328675258d0d7c757f736a7f8950 100644
--- a/GeoModelVisualization/VP1GeometrySystems/share/gmexMatVisAttributes.json
+++ b/GeoModelVisualization/VP1GeometrySystems/share/gmexMatVisAttributes.json
@@ -1160,7 +1160,9 @@
             },
             "name": [
                 "Scintillator",
-                "tile::Scintillator"
+                "Polyvinyltoluene",
+                "tile::Scintillator",
+                "tile::Polyvinyltoluene"
             ],
             "shininess": 0.9818180203437805,
             "specular": {