diff --git a/Gemfile.lock b/Gemfile.lock
index a0e9846..4fe2a62 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -66,6 +66,11 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
+  activemodel (~> 3.0.0)
+  couchrest (~> 1.0.1)
   couchrest_model!
+  mime-types (~> 1.15)
   rack-test (>= 0.5.7)
+  railties (~> 3.0.0)
   rspec (>= 2.0.0)
+  tzinfo (~> 0.3.22)
diff --git a/lib/couchrest/model/designs.rb b/lib/couchrest/model/designs.rb
index e0d1850..2ddb9ab 100644
--- a/lib/couchrest/model/designs.rb
+++ b/lib/couchrest/model/designs.rb
@@ -27,7 +27,7 @@ module CouchRest
           mapper = DesignMapper.new(self)
           mapper.create_view_method(:all)
 
-          mapper.instance_eval(&block)
+          mapper.instance_eval(&block) if block_given?
 
           req_design_doc_refresh
         end
diff --git a/lib/couchrest/model/proxyable.rb b/lib/couchrest/model/proxyable.rb
index e35656e..839278d 100644
--- a/lib/couchrest/model/proxyable.rb
+++ b/lib/couchrest/model/proxyable.rb
@@ -20,7 +20,7 @@ module CouchRest
               unless respond_to?('#{db_method}')
                 raise "Missing ##{db_method} method for proxy"
               end
-              @#{model_name} ||= CouchRest::Model::Proxyable::ModelProxy.new(#{options[:class_name]}, self, self.class.to_s.underscore, #{db_method})
+              @#{model_name} ||= CouchRest::Model::Proxyable::ModelProxy.new(::#{options[:class_name]}, self, self.class.to_s.underscore, #{db_method})
             end
           EOS
         end
diff --git a/spec/couchrest/designs_spec.rb b/spec/couchrest/designs_spec.rb
index a035ad7..a1ac98f 100644
--- a/spec/couchrest/designs_spec.rb
+++ b/spec/couchrest/designs_spec.rb
@@ -36,6 +36,10 @@ describe "Design" do
         DesignModel.design() { }
       end
 
+      it "should work even if a block is not provided" do
+        lambda { DesignModel.design }.should_not raise_error
+      end
+
     end
 
     describe "default_per_page" do
diff --git a/spec/couchrest/proxyable_spec.rb b/spec/couchrest/proxyable_spec.rb
index 13098b7..4873c5d 100644
--- a/spec/couchrest/proxyable_spec.rb
+++ b/spec/couchrest/proxyable_spec.rb
@@ -41,6 +41,18 @@ describe "Proxyable" do
           @obj.cats
         end
 
+        it "should call class on root namespace" do
+          class ::Document < CouchRest::Model::Base
+            def self.foo; puts 'bar'; end
+          end
+          DummyProxyable.proxy_for(:documents)
+          @obj = DummyProxyable.new
+          CouchRest::Model::Proxyable::ModelProxy.should_receive(:new).with(::Document, @obj, 'dummy_proxyable', 'db').and_return(true)
+          @obj.should_receive('proxy_database').and_return('db')
+          @obj.should_receive(:respond_to?).with('proxy_database').and_return(true)
+          @obj.documents
+        end
+
         it "should raise an error if the database method is missing" do
           DummyProxyable.proxy_for(:cats)
           @obj = DummyProxyable.new
@@ -54,6 +66,7 @@ describe "Proxyable" do
           lambda { @obj.proxy_kittens }.should raise_error(StandardError, "Missing #foobardom method for proxy")
         end
 
+
       end
 
     end