diff --git a/examples/js/exporters/PLYExporter.js b/examples/js/exporters/PLYExporter.js
index 49a6500eb23f706d125128f14c2dd65084319fb0..50ef739272beade29c96a82b8a2e28b349255f16 100644
--- a/examples/js/exporters/PLYExporter.js
+++ b/examples/js/exporters/PLYExporter.js
@@ -205,7 +205,7 @@ THREE.PLYExporter.prototype = {
 			// faces
 			header +=
 				`element face ${faceCount}\n` +
-				`property list uchar uint${ indexByteCount * 8 } vertex_index\n`;
+				`property list uchar int vertex_index\n`;
 
 		}
 
diff --git a/examples/jsm/exporters/PLYExporter.js b/examples/jsm/exporters/PLYExporter.js
index e38d87abc725177ddc35ebb3ba618a0562cdc15e..70472a10cfc82f61e7eb1840525cf1bd0769e7ca 100644
--- a/examples/jsm/exporters/PLYExporter.js
+++ b/examples/jsm/exporters/PLYExporter.js
@@ -211,7 +211,7 @@ PLYExporter.prototype = {
 			// faces
 			header +=
 				`element face ${faceCount}\n` +
-				`property list uchar uint${ indexByteCount * 8 } vertex_index\n`;
+				`property list uchar int vertex_index\n`;
 
 		}