diff --git a/sample/trick2022/03-mame/entry.rb b/sample/trick2022/03-mame/entry.rb
index e48d3724d9..f24595dfa9 100644
--- a/sample/trick2022/03-mame/entry.rb
+++ b/sample/trick2022/03-mame/entry.rb
@@ -2,9 +2,9 @@
 
 .chars} {puts'TRICK+2022'
         \  {         ;
-#';$><< b 
+#';$><< b
    ?!
-};#{s=' ' #           0 
+};#{s=' ' #           0
 ! s[0]? (   b=$<.read  ;'
 }            ub(      ,''}
 ';a=            ''<<32