diff --git a/lib/epitools/core_ext/enumerable.rb b/lib/epitools/core_ext/enumerable.rb
index 1260fd2..e313b16 100644
--- a/lib/epitools/core_ext/enumerable.rb
+++ b/lib/epitools/core_ext/enumerable.rb
@@ -36,6 +36,15 @@ def skip(n)
     end
   end
 
+  #
+  # Add reverse_each to old Ruby versions
+  #
+  unless defined? reverse_each
+    def reverse_each
+      to_a.to_enum(:reverse_each)
+    end
+  end
+
   #
   # Split this enumerable into chunks, given some boundary condition. (Returns an array of arrays.)
   #