1 files changed, 6 insertions, 0 deletions
diff --git a/lib/open-uri.rb b/lib/open-uri.rb
index a6186fbb2c..8d0353bbc9 100644
--- a/lib/open-uri.rb
+++ b/lib/open-uri.rb
@@ -578,6 +578,12 @@ module URI
     include OpenURI::OpenRead
   end
 
+  class HTTPS
+    def proxy_open(buf, uri, options) # :nodoc:
+      raise ArgumentError, "open-uri doesn't support https."
+    end
+  end
+
   class FTP
     def direct_open(buf, options) # :nodoc:
       require 'net/ftp'