diff --git a/src/main/java/dan200/computercraft/client/render/TileEntityMonitorRenderer.java b/src/main/java/dan200/computercraft/client/render/TileEntityMonitorRenderer.java
index ab2c6d342..981c26aab 100644
--- a/src/main/java/dan200/computercraft/client/render/TileEntityMonitorRenderer.java
+++ b/src/main/java/dan200/computercraft/client/render/TileEntityMonitorRenderer.java
@@ -140,8 +140,8 @@ public class TileEntityMonitorRenderer extends TileEntityRenderer<TileMonitor>
 
         FixedWidthFontRenderer.drawBlocker(
             transform.last().pose(), renderer,
-            (float) -TileMonitor.RENDER_MARGIN, (float) TileMonitor.RENDER_MARGIN,
-            (float) (xSize + 2 * TileMonitor.RENDER_MARGIN), (float) -(ySize + TileMonitor.RENDER_MARGIN * 2)
+            -MARGIN, MARGIN,
+            (float) (xSize + 2 * MARGIN), (float) -(ySize + MARGIN * 2)
         );
 
         // Force a flush of the blocker. WorldRenderer.updateCameraAndRender will "finish" all the built-in