diff --git a/src/core/Raycaster.js b/src/core/Raycaster.js
index ee0a2a2a99be1765210c784ffd04ad9855a4a965..d70cde4770e14851ad6f81e009574d588ec1e8fe 100644
--- a/src/core/Raycaster.js
+++ b/src/core/Raycaster.js
@@ -143,7 +143,7 @@
 
 					if ( offsets.length === 0 ) {
 
-						offsets = [ { start: 0, count: positions.length, index: 0 } ];
+						offsets = [ { start: 0, count: indices.length, index: 0 } ];
 
 					}