1 files changed, 5 insertions, 3 deletions
diff --git a/spec/ruby/core/array/join_spec.rb b/spec/ruby/core/array/join_spec.rb
index 16f0dcee7a..403bae7183 100644
--- a/spec/ruby/core/array/join_spec.rb
+++ b/spec/ruby/core/array/join_spec.rb
@@ -38,11 +38,13 @@ describe "Array#join with $," do
   end
 
   after :each do
-    $, = @before_separator
+    suppress_warning {$, = @before_separator}
   end
 
   it "separates elements with default separator when the passed separator is nil" do
-    $, = "_"
-    [1, 2, 3].join(nil).should == '1_2_3'
+    suppress_warning {
+      $, = "_"
+      [1, 2, 3].join(nil).should == '1_2_3'
+    }
   end
 end