diff --git a/src/main/resources/assets/computercraft/lua/rom/apis/window b/src/main/resources/assets/computercraft/lua/rom/apis/window
index 2d2aef841..c688456da 100644
--- a/src/main/resources/assets/computercraft/lua/rom/apis/window
+++ b/src/main/resources/assets/computercraft/lua/rom/apis/window
@@ -298,7 +298,7 @@ function create( parent, nX, nY, nWidth, nHeight, bStartVisible )
         end
 
         if bVisible then
-            return parent.setPaletteColour( colour, tCol[1], tCol[2], tCol[3] ) )
+            return parent.setPaletteColour( colour, tCol[1], tCol[2], tCol[3] )
         end
     end