diff --git a/lib/net/http.rb b/lib/net/http.rb
index 03a65ab..0805ec6 100644
--- a/lib/net/http.rb
+++ b/lib/net/http.rb
@@ -2697,6 +2697,11 @@ module Net   #:nodoc:
       "#<#{self.class} #{@code} #{@message} readbody=#{@read}>"
     end
 
+    # Deprecated; defined here to avoid implicit array conversion bugs
+    def to_ary
+      raise "Net::HTTP v1.1 style assignment is deprecated; use `response = http.get(...)' instead."
+    end
+
     #
     # response <-> exception relationship
     #