diff --git a/src/zakhat_line_black.asy b/src/zakhat_line_black.asy
index 8582c82..085b9dc 100644
--- a/src/zakhat_line_black.asy
+++ b/src/zakhat_line_black.asy
@@ -6,7 +6,7 @@ pen p=defaultpen+linewidth(50); // Set the pen width
 draw((0,-10) .. (3.5,-13) .. (10,-15) -- (30,-15) .. (36.5,-13) .. (40,-10), p);
 
 // Top
-draw((10,-15) -- (10,18) -- (30,18) -- (30,-15), p);
+draw(box((10,18), (30,-10)), p);
 
 // Belt
-draw((10,-10) -- (30,-10), p);
+draw(box((10,-10), (30,-15)), p);