diff --git a/lib/sassc/rails/importer.rb b/lib/sassc/rails/importer.rb
index a44c81b..a7a8844 100644
--- a/lib/sassc/rails/importer.rb
+++ b/lib/sassc/rails/importer.rb
@@ -96,7 +96,9 @@ def imports(path, parent_path)
           return glob_imports(base, m[2], parent_path)
         end
 
-        search_paths = ([parent_dir] + load_paths).uniq
+        # Compass and other gems use their own special loaders
+        # Hence making this to_s required to have a proper uniq set.
+        search_paths = ([parent_dir] + load_paths).map(&:to_s).uniq
 
         if specified_dir != "."
           search_paths.map! do |path|
diff --git a/test/sassc_rails_test.rb b/test/sassc_rails_test.rb
index a15110d..b2e7a84 100644
--- a/test/sassc_rails_test.rb
+++ b/test/sassc_rails_test.rb
@@ -45,6 +45,7 @@ def initialize!
 
   def initialize_dev!
     Rails.env = "development"
+    Dir.chdir(File.join(File.dirname(__FILE__), '../../../'))
     @app.initialize!
   end
 
@@ -168,6 +169,7 @@ def test_line_comments_active_in_dev
     initialize_dev!
 
     css_output = render_asset("css_scss_handler.css")
+
     assert_match %r{/* line 1}, css_output
     assert_match %r{.+test/dummy/app/assets/stylesheets/css_scss_handler.css.scss}, css_output
   end