diff --git a/src/extras/geometries/WireframeGeometry.js b/src/extras/geometries/WireframeGeometry.js
index c10f7dd318ee2c3bf46fad21a82cc56e87719058..c9ff7118297aac16829e99175b4966a1af00aab7 100644
--- a/src/extras/geometries/WireframeGeometry.js
+++ b/src/extras/geometries/WireframeGeometry.js
@@ -81,7 +81,7 @@ THREE.WireframeGeometry = function ( geometry ) {
 
 			if ( drawcalls.length === 0 ) {
 
-				geometry.addDrawCall( 0, indices.length );
+				geometry.addGroup( 0, indices.length );
 
 			}