diff --git a/examples/js/lines/LineSegmentsGeometry.js b/examples/js/lines/LineSegmentsGeometry.js
index 7b649ee7fca583d0b64d14a1b38c5924b26dccc4..f790c61359a97805ecefa6c72941b5ee19cf9407 100644
--- a/examples/js/lines/LineSegmentsGeometry.js
+++ b/examples/js/lines/LineSegmentsGeometry.js
@@ -37,7 +37,7 @@ THREE.LineSegmentsGeometry.prototype = Object.assign( Object.create( THREE.Insta
 
 			end.applyMatrix4( matrix );
 
-			start.data.needsUpdate = true;
+			start.needsUpdate = true;
 
 		}
 
diff --git a/examples/jsm/lines/LineSegmentsGeometry.js b/examples/jsm/lines/LineSegmentsGeometry.js
index dc9a16c4067b416c782f3b72a01985cd1f6b63cd..1807ebe12c5fccf80bfa0981cfc38a7a5210b5b5 100644
--- a/examples/jsm/lines/LineSegmentsGeometry.js
+++ b/examples/jsm/lines/LineSegmentsGeometry.js
@@ -47,7 +47,7 @@ LineSegmentsGeometry.prototype = Object.assign( Object.create( InstancedBufferGe
 
 			end.applyMatrix4( matrix );
 
-			start.data.needsUpdate = true;
+			start.needsUpdate = true;
 
 		}