2 files changed, 4 insertions, 4 deletions
diff --git a/spec/ruby/core/random/shared/bytes.rb b/spec/ruby/core/random/shared/bytes.rb
index 3485d0f221..54b6b0e4df 100644
--- a/spec/ruby/core/random/shared/bytes.rb
+++ b/spec/ruby/core/random/shared/bytes.rb
@@ -7,8 +7,8 @@ describe :random_bytes, shared: true do
     @object.bytes(15).length.should == 15
   end
 
-  it "returns an ASCII-8BIT String" do
-    @object.bytes(15).encoding.should == Encoding::ASCII_8BIT
+  it "returns an BINARY String" do
+    @object.bytes(15).encoding.should == Encoding::BINARY
   end
 
   it "returns a random binary String" do
diff --git a/spec/ruby/core/random/shared/urandom.rb b/spec/ruby/core/random/shared/urandom.rb
index f50d30c9de..e5ffcffca6 100644
--- a/spec/ruby/core/random/shared/urandom.rb
+++ b/spec/ruby/core/random/shared/urandom.rb
@@ -13,8 +13,8 @@ describe :random_urandom, shared: true do
     }.should raise_error(ArgumentError)
   end
 
-  it "returns an ASCII-8BIT String" do
-    Random.send(@method, 15).encoding.should == Encoding::ASCII_8BIT
+  it "returns an BINARY String" do
+    Random.send(@method, 15).encoding.should == Encoding::BINARY
   end
 
   it "returns a random binary String" do