diff --git a/Sources/Rendering/Core/Glyph3DMapper/index.js b/Sources/Rendering/Core/Glyph3DMapper/index.js
index 079ccf05d23..681b57e8247 100644
--- a/Sources/Rendering/Core/Glyph3DMapper/index.js
+++ b/Sources/Rendering/Core/Glyph3DMapper/index.js
@@ -321,5 +321,5 @@ export const newInstance = macro.newInstance(extend, 'vtkGlyph3DMapper');
 
 // ----------------------------------------------------------------------------
 
-export default { newInstance, extend };
+export default Object.assign({ newInstance, extend }, Constants);