diff --git a/src/maze/mz_wang_tiles.scad b/src/maze/mz_wang_tiles.scad
index 8716fd5d..22527ed4 100644
--- a/src/maze/mz_wang_tiles.scad
+++ b/src/maze/mz_wang_tiles.scad
@@ -38,12 +38,12 @@ function mz_wang_tiles(cells, left_border = true, bottom_border = true) =
             bottom_border ? [for(x = [0:columns - 1]) [x * 2 + 1, 0]] : [
                 for(x = [0:columns - 1])
                 let(type = mz_square_get(top_cells[x], "t"))
-                if(type == "RIGHT_WALL" || type == "NO_WALL") [x * 2 + 1, 1] else [x * 2 + 1, 0]
+                [x * 2 + 1, type == "RIGHT_WALL" || type == "NO_WALL" ? 1 : 0]
             ],
             left_border ? [for(y = [0:rows - 1]) [0, y * 2 + 1]] : [
                 for(y = [0:rows - 1]) 
                 let(type = mz_square_get(right_cells[y], "t"))
-                if(type == "TOP_WALL" || type == "NO_WALL") [1, y * 2 + 1] else [0, y * 2 + 1]
+                [type == "TOP_WALL" || type == "NO_WALL" ? 1 : 0, y * 2 + 1]
             ]
         ),
         dot_pts = sort(hashset_elems(hashset(all, hash = function(p) _pt2_hash(p))), by = "vt")