1 files changed, 1 insertions, 1 deletions

diff --git a/js/lib/geom/geom-obj.js b/js/lib/geom/geom-obj.js
index dbef4859..a87bdbf5 100755
--- a/js/lib/geom/geom-obj.js
+++ b/js/lib/geom/geom-obj.js
@@ -248,7 +248,7 @@ var GeomObj = function GLGeomObj() {
         this.exportMaterialsJSON = function()
         {
                 var jObj;
-                if (this._materialArray && this._materialNodeArray)
+                if (this._materialArray && this._materialNodeArray && this.getWorld().isWebGL())
                 {
                         var nMats = this._materialArray.length;
                         if (nMats > 0)