diff --git a/Rakefile b/Rakefile
index 88850c2..4a78cd4 100644
--- a/Rakefile
+++ b/Rakefile
@@ -42,7 +42,7 @@ desc %{
 task :build do
 
   sh "gem build #{GEMSPEC_FILE}"
-  sh "mkdir pkg" rescue nil
+  sh "mkdir -p pkg" rescue nil
   sh "mv #{GEMSPEC.name}-#{GEMSPEC.version}.gem pkg/"
 end
 
diff --git a/lib/rufus/verbs/digest.rb b/lib/rufus/verbs/digest.rb
index 2462be7..929f59c 100644
--- a/lib/rufus/verbs/digest.rb
+++ b/lib/rufus/verbs/digest.rb
@@ -48,8 +48,8 @@ def digest_auth (req, opts)
       @cnonce ||= generate_cnonce
       @nonce_count ||= 0
 
-      mention_digest_auth(req, opts) \
-        and return
+      # mention_digest_auth(req, opts) \
+      #   and return
 
       mention_digest_auth(req, opts) \
         if request_challenge(req, opts)
diff --git a/lib/rufus/verbs/endpoint.rb b/lib/rufus/verbs/endpoint.rb
index c4e425b..f51f377 100644
--- a/lib/rufus/verbs/endpoint.rb
+++ b/lib/rufus/verbs/endpoint.rb
@@ -526,7 +526,7 @@ def add_payload (req, opts, &block)
       if d
         req.body = d
       elsif fd
-        sep = opts[:fd_sep] #|| nil
+        sep = opts[:fd_sep] || '&'
         req.set_form_data fd, sep
       elsif block
         req.body = block.call req