diff --git a/language/for_spec.rb b/language/for_spec.rb
index c8b43e25d..b8ddfe5f0 100644
--- a/language/for_spec.rb
+++ b/language/for_spec.rb
@@ -130,7 +130,7 @@ class OFor
   end
 
   # Segfault in MRI 3.3 and lower: https://bugs.ruby-lang.org/issues/20468
-  ruby_version_is "3.4" do
+  ruby_bug "#20468", ""..."3.4" do
     it "allows an attribute with safe navigation as an iterator name" do
       class OFor
         attr_accessor :target