diff --git a/lib/jsdoc_helper.rb b/lib/jsdoc_helper.rb
index 3834a4f..049e701 100644
--- a/lib/jsdoc_helper.rb
+++ b/lib/jsdoc_helper.rb
@@ -1,3 +1,11 @@
+unless String.method_defined?(:lines) then
+  class String
+    def lines
+      to_a
+    end
+  end
+end
+
 module JsdocHelper
 
   # :stopdoc:
diff --git a/lib/jsdoc_helper/rake/task/runner.rb b/lib/jsdoc_helper/rake/task/runner.rb
index 9157343..507065f 100644
--- a/lib/jsdoc_helper/rake/task/runner.rb
+++ b/lib/jsdoc_helper/rake/task/runner.rb
@@ -59,11 +59,19 @@ def jsdoc
         end
         
         def out
-          @args[:out].to_a.to_s
+          if @args[:out].respond_to?(:lines)
+            @args[:out].lines.to_a.join('')
+          else
+            @args[:out].to_a.join('')
+          end
         end
         
         def files
-          @args[:files].to_a.join(' ')
+          if @args[:files].respond_to?(:lines)
+            @args[:files].lines.to_a.join(' ')
+          else
+            @args[:files].to_a.join(' ')
+          end
         end
         
         def template
@@ -75,9 +83,8 @@ def toolkit_path(relative_path)
         end
         
         def options
-          @args[:options].to_a.join(' ')
-        end
-        
+          @args[:options].lines.to_a.join(' ')
+        end        
       end
     end
   end
diff --git a/spec/jsdoc_helper/support/file_helper_spec.rb b/spec/jsdoc_helper/support/file_helper_spec.rb
index 90afddd..ccf7878 100644
--- a/spec/jsdoc_helper/support/file_helper_spec.rb
+++ b/spec/jsdoc_helper/support/file_helper_spec.rb
@@ -78,7 +78,7 @@
   end
   
   it "should produce a src prefix for documentation" do
-    doc_src_prefix.should =~ /^_Users_petegadomski_Developer_jsdoc_helper_test_tmp$/
+    doc_src_prefix.should =~ /^#{path.gsub('/', '_')}$/
   end
   
   it "should return a nice file list" do