diff --git a/away3d/extrusions/LinearExtrude.hx b/away3d/extrusions/LinearExtrude.hx
index a5c455e..68ad34d 100755
--- a/away3d/extrusions/LinearExtrude.hx
+++ b/away3d/extrusions/LinearExtrude.hx
@@ -106,13 +106,13 @@ class LinearExtrude extends Mesh {
         this.thicknessSubdivision = thicknessSubdivision;
         _ignoreSides = ignoreSides;
         _closePath = closePath;
+        super(geom, material);
         if (materials != null) this.materials = materials;
         if (_closePath && ignoreSides != "") this.ignoreSides = ignoreSides;
-        super(geom, material);
     }
 
     private function buildExtrude():Void {
-        if (_aVectors!=null && _aVectors.length > 0 && _aVectors.length < 2) throw new Error("LinearExtrusion error: at least 2 vector3D required!");
+        if (_aVectors==null || (_aVectors.length > 0 && _aVectors.length < 2)) throw new Error("LinearExtrusion error: at least 2 vector3D required!");
         if (_closePath) _aVectors.push(new Vector3D(_aVectors[0].x, _aVectors[0].y, _aVectors[0].z));
         _maxIndProfile = _aVectors.length * 9;
         _MaterialsSubGeometries = null;
diff --git a/away3d/primitives/PrimitiveBase.hx b/away3d/primitives/PrimitiveBase.hx
index d45a877..646cfa1 100755
--- a/away3d/primitives/PrimitiveBase.hx
+++ b/away3d/primitives/PrimitiveBase.hx
@@ -18,7 +18,6 @@ class PrimitiveBase extends Geometry {
     private var _subGeometry:CompactSubGeometry;
     /**
 	 * Creates a new PrimitiveBase object.
-	 * @param material The material with which to render the object
 	 */
     public function new() {
         super();