diff --git a/lib/compass/app_integration/rails/configuration_defaults.rb b/lib/compass/app_integration/rails/configuration_defaults.rb
index be44f13d..21fade64 100644
--- a/lib/compass/app_integration/rails/configuration_defaults.rb
+++ b/lib/compass/app_integration/rails/configuration_defaults.rb
@@ -3,6 +3,10 @@ module Compass
     module Rails
       module ConfigurationDefaults
 
+        def default_project_type
+          :rails
+        end
+
         def default_images_dir
           File.join("public", "images")
         end
diff --git a/lib/compass/app_integration/stand_alone/configuration_defaults.rb b/lib/compass/app_integration/stand_alone/configuration_defaults.rb
index a9ed92dc..5eb364fa 100644
--- a/lib/compass/app_integration/stand_alone/configuration_defaults.rb
+++ b/lib/compass/app_integration/stand_alone/configuration_defaults.rb
@@ -2,6 +2,10 @@ module Compass
   module AppIntegration
     module StandAlone
       module ConfigurationDefaults
+        def default_project_type
+          :stand_alone
+        end
+
         def sass_dir_without_default
           "src"
         end
@@ -21,4 +25,4 @@ module Compass
 
     end
   end
-end
\ No newline at end of file
+end
diff --git a/lib/compass/commands/installer_command.rb b/lib/compass/commands/installer_command.rb
index 138296f8..b7245ec2 100644
--- a/lib/compass/commands/installer_command.rb
+++ b/lib/compass/commands/installer_command.rb
@@ -6,13 +6,16 @@ module Compass
       include Compass::Installers
 
       def configure!
-        Compass.add_configuration(options[:project_type] || :stand_alone)
-        Compass.add_project_configuration unless respond_to?(:is_project_creation?) && is_project_creation?
+        if respond_to?(:is_project_creation?) && is_project_creation?
+          Compass.add_configuration(options.delete(:project_type) || :stand_alone)
+        else
+          Compass.add_project_configuration(:project_type => options.delete(:project_type))
+        end
         Compass.add_configuration(options, 'command_line')
-        Compass.add_configuration(installer.completed_configuration, 'installer')
         if File.exists?(Compass.configuration.extensions_path)
           Compass::Frameworks.discover(Compass.configuration.extensions_path)
         end
+        Compass.add_configuration(installer.completed_configuration, 'installer')
       end
 
       def app
diff --git a/lib/compass/commands/project_base.rb b/lib/compass/commands/project_base.rb
index 3567682e..5d5c3312 100644
--- a/lib/compass/commands/project_base.rb
+++ b/lib/compass/commands/project_base.rb
@@ -11,7 +11,7 @@ module Compass
       def initialize(working_path, options = {})
         super(working_path, options)
         self.project_name = determine_project_name(working_path, options)
-        Compass.configuration.project_path = determine_project_directory(working_path, options)
+        Compass.add_configuration({:project_path => determine_project_directory(working_path, options)}, "implied")
         configure!
       end
 
@@ -89,4 +89,4 @@ module Compass
 
     end
   end
-end
\ No newline at end of file
+end
diff --git a/lib/compass/configuration/helpers.rb b/lib/compass/configuration/helpers.rb
index b2e0e396..d1d983bb 100644
--- a/lib/compass/configuration/helpers.rb
+++ b/lib/compass/configuration/helpers.rb
@@ -66,21 +66,25 @@ module Compass
       end
 
       # Read the configuration file for this project
-      def add_project_configuration(configuration_file_path = nil)
-        configuration_file_path ||= detect_configuration_file
+      def add_project_configuration(*args)
+        options = args.last.is_a?(Hash) ? args.pop : {}
+        configuration_file_path = args.shift || detect_configuration_file
+        raise ArgumentError, "Too many arguments" if args.any?
         if configuration_file_path
 
           data = configuration_for(configuration_file_path)
 
           if data.raw_project_type
             add_configuration(data.raw_project_type.to_sym)
+          elsif options[:project_type]
+            add_configuration(options[:project_type])
           else
             add_configuration(:stand_alone)
           end
 
           add_configuration(data)
         else
-          add_configuration(configuration.project_type || :stand_alone)
+          add_configuration(options[:project_type] || configuration.project_type || :stand_alone)
         end
       end