diff --git a/brick/model.sdfbk b/brick/model.sdfbk
index 896b458..fc65b04 100755
--- a/brick/model.sdfbk
+++ b/brick/model.sdfbk
@@ -54,7 +54,7 @@
           <ambient>0.698 0.25 0.25 1</ambient>
           <diffuse>0.698 0.25 0.25 1</diffuse>
           <specular>0.1 0.1 0.1 1</specular>
-          <emissive>0 0 0 0</emissive>
+          <emissive>0 1 0 1</emissive>
         </material>
       </visual>
     </link>