1 files changed, 2 insertions, 2 deletions
diff --git a/spec/ruby/core/string/capitalize_spec.rb b/spec/ruby/core/string/capitalize_spec.rb
index 376db3aa72..66d3b75f48 100644
--- a/spec/ruby/core/string/capitalize_spec.rb
+++ b/spec/ruby/core/string/capitalize_spec.rb
@@ -196,10 +196,10 @@ describe "String#capitalize!" do
     "H".capitalize!.should == nil
   end
 
-  it "raises a #{frozen_error_class} when self is frozen" do
+  it "raises a FrozenError when self is frozen" do
     ["", "Hello", "hello"].each do |a|
       a.freeze
-      -> { a.capitalize! }.should raise_error(frozen_error_class)
+      -> { a.capitalize! }.should raise_error(FrozenError)
     end
   end
 end