diff --git a/Sources/Rendering/OpenGL/VolumeMapper/index.js b/Sources/Rendering/OpenGL/VolumeMapper/index.js
index 0e510243524..5b66eaa5e5d 100644
--- a/Sources/Rendering/OpenGL/VolumeMapper/index.js
+++ b/Sources/Rendering/OpenGL/VolumeMapper/index.js
@@ -1693,10 +1693,6 @@ function vtkOpenGLVolumeMapper(publicAPI, model) {
       .getProperty()
       .getLabelOutlineThickness();
 
-    if (!labelOutlineThicknessArray) {
-      return;
-    }
-
     const lTex = model._openGLRenderWindow.getGraphicsResourceForObject(
       labelOutlineThicknessArray
     );