1 files changed, 4 insertions, 2 deletions
diff --git a/test/ruby/test_io.rb b/test/ruby/test_io.rb
index af2b08de95..a6df5c8b08 100644
--- a/test/ruby/test_io.rb
+++ b/test/ruby/test_io.rb
@@ -2568,8 +2568,10 @@ class TestIO < Test::Unit::TestCase
   end
 
   def test_print_separators
-    EnvUtil.suppress_warning {$, = ':'}
-    $\ = "\n"
+    EnvUtil.suppress_warning {
+      $, = ':'
+      $\ = "\n"
+    }
     pipe(proc do |w|
       w.print('a')
       EnvUtil.suppress_warning {w.print('a','b','c')}