diff --git a/src/main/java/dan200/computercraft/client/gui/FixedWidthFontRenderer.java b/src/main/java/dan200/computercraft/client/gui/FixedWidthFontRenderer.java
index d418b5603..2cead24f8 100644
--- a/src/main/java/dan200/computercraft/client/gui/FixedWidthFontRenderer.java
+++ b/src/main/java/dan200/computercraft/client/gui/FixedWidthFontRenderer.java
@@ -35,7 +35,7 @@ public class FixedWidthFontRenderer
 
     private static void greyscaleify( float[] rgb )
     {
-        Arrays.fill(rgb, ( rgb[0] + rgb[1] + rgb[2] ) / 3.0f);
+        Arrays.fill( rgb, ( rgb[0] + rgb[1] + rgb[2] ) / 3.0f );
     }
 
     private void drawChar( VertexBuffer renderer, double x, double y, int index, int color, Palette p, boolean greyscale )