1 files changed, 5 insertions, 5 deletions
diff --git a/spec/ruby/core/string/reverse_spec.rb b/spec/ruby/core/string/reverse_spec.rb
index eef46063a5..30d5385c83 100644
--- a/spec/ruby/core/string/reverse_spec.rb
+++ b/spec/ruby/core/string/reverse_spec.rb
@@ -32,14 +32,14 @@ describe "String#reverse!" do
     "".reverse!.should == ""
   end
 
-  it "raises a #{frozen_error_class} on a frozen instance that is modified" do
-    -> { "anna".freeze.reverse!  }.should raise_error(frozen_error_class)
-    -> { "hello".freeze.reverse! }.should raise_error(frozen_error_class)
+  it "raises a FrozenError on a frozen instance that is modified" do
+    -> { "anna".freeze.reverse!  }.should raise_error(FrozenError)
+    -> { "hello".freeze.reverse! }.should raise_error(FrozenError)
   end
 
   # see [ruby-core:23666]
-  it "raises a #{frozen_error_class} on a frozen instance that would not be modified" do
-    -> { "".freeze.reverse! }.should raise_error(frozen_error_class)
+  it "raises a FrozenError on a frozen instance that would not be modified" do
+    -> { "".freeze.reverse! }.should raise_error(FrozenError)
   end
 
   it "reverses a string with multi byte characters" do