diff --git a/src/finalizeMesh.js b/src/finalizeMesh.js
index fd19b05..dc043c5 100644
--- a/src/finalizeMesh.js
+++ b/src/finalizeMesh.js
@@ -38,9 +38,8 @@ finalizeMesh.prototype = {
                         newGeometry.attributes.position.setXYZ(i, vertex.x, vertex.y, vertex.z);
                     } else {
                         var finalVector = new Vector4();
+                        var morphVector = new Vector4(vertex.x, vertex.y, vertex.z);
                         if (geometry.morphTargetInfluences !== undefined) {
-
-                            var morphVector = new Vector4(vertex.x, vertex.y, vertex.z);
                             var tempMorph = new Vector4();
 
                             for (var mt = 0; mt < geometry.morphAttributes.position.length; mt++) {
@@ -52,7 +51,7 @@ finalizeMesh.prototype = {
                                     geometry.morphAttributes.position[mt].getY(i),
                                     geometry.morphAttributes.position[mt].getZ(i));
 
-                                tempMorph.addScaledVector(morph.sub(morphVector), geometry.morphTargetInfluences[mt]);
+                                tempMorph.addScaledVector(morph, geometry.morphTargetInfluences[mt]);
                             }
                             morphVector.add(tempMorph);
                         }