1 files changed, 4 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/string/output_safety.rb b/activesupport/lib/active_support/core_ext/string/output_safety.rb
index 567ba00b0d..c55b471986 100644
--- a/activesupport/lib/active_support/core_ext/string/output_safety.rb
+++ b/activesupport/lib/active_support/core_ext/string/output_safety.rb
@@ -88,6 +88,10 @@ module ActiveSupport #:nodoc:
     def to_s
       self
     end
+
+    def to_yaml
+      "".replace(self).to_yaml
+    end
   end
 end