1 files changed, 3 insertions, 3 deletions
diff --git a/spec/ruby/core/argf/binmode_spec.rb b/spec/ruby/core/argf/binmode_spec.rb
index 061145a0c7..c2dd578d95 100644
--- a/spec/ruby/core/argf/binmode_spec.rb
+++ b/spec/ruby/core/argf/binmode_spec.rb
@@ -31,13 +31,13 @@ describe "ARGF.binmode" do
     end
   end
 
-  it "sets the file's encoding to ASCII-8BIT" do
+  it "sets the file's encoding to BINARY" do
     argf [@bin_file, @file1] do
       @argf.binmode
       @argf.binmode?.should == true
-      @argf.gets.encoding.should == Encoding::ASCII_8BIT
+      @argf.gets.encoding.should == Encoding::BINARY
       @argf.skip
-      @argf.read.encoding.should == Encoding::ASCII_8BIT
+      @argf.read.encoding.should == Encoding::BINARY
     end
   end
 end