1 files changed, 1 insertions, 1 deletions

diff --git a/js/lib/rdge/materials/relief-tunnel-material.js b/js/lib/rdge/materials/relief-tunnel-material.js
index 7bf780fe..1fcdee5e 100644
--- a/js/lib/rdge/materials/relief-tunnel-material.js
+++ b/js/lib/rdge/materials/relief-tunnel-material.js
@@ -54,7 +54,7 @@ var ReliefTunnelMaterial = function ReliefTunnelMaterial() {
                 this._shader.init();
 
                 // set up the material node
-                this._materialNode = RDGE.createMaterialNode("reliefTunnelMaterial");
+                this._materialNode = RDGE.createMaterialNode("reliefTunnelMaterial" + "_" + world.generateUniqueNodeID());
                 this._materialNode.setShader(this._shader);
 
                 this._time = 0;