1 files changed, 2 insertions, 2 deletions
diff --git a/spec/ruby/core/kernel/extend_spec.rb b/spec/ruby/core/kernel/extend_spec.rb
index 9f98b3681f..47b22f3a18 100644
--- a/spec/ruby/core/kernel/extend_spec.rb
+++ b/spec/ruby/core/kernel/extend_spec.rb
@@ -72,8 +72,8 @@ describe "Kernel#extend" do
       -> { @frozen.extend }.should raise_error(ArgumentError)
     end
 
-    it "raises a #{frozen_error_class}" do
-      -> { @frozen.extend @module }.should raise_error(frozen_error_class)
+    it "raises a FrozenError" do
+      -> { @frozen.extend @module }.should raise_error(FrozenError)
     end
   end
 end