diff --git a/pybitblock/PyBlock.py b/pybitblock/PyBlock.py
index 71eb997..32752af 100644
--- a/pybitblock/PyBlock.py
+++ b/pybitblock/PyBlock.py
@@ -59,7 +59,7 @@ def rectangle(n):
                 f'{""*n}{"|"*n}{""*n}'
                 if i >= (n+1)/2 and i <= (1*n)/2
                 else
-                f'\u001b[38;5;27m{"■"*(x-1)}'
+                f'\u001b[38;5;27m{"█"*(x-1)}'
             )
             for i in range(y)
         )