diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index d384ffa8b..cd5f60063 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -559,8 +559,7 @@ module ApplicationHelper
         filename, ext, alt, alttext = $1.downcase, $2, $3, $4
         # search for the picture in attachments
         if found = Attachment.latest_attach(attachments, filename)
-          image_url = url_for :only_path => only_path, :controller => 'attachments',
-                              :action => 'download', :id => found
+          image_url = download_named_attachment_path(found, found.filename, :only_path => only_path)
           desc = found.description.to_s.gsub('"', '')
           if !desc.blank? && alttext.blank?
             alt = " title=\"#{desc}\" alt=\"#{desc}\""
diff --git a/test/unit/helpers/application_helper_test.rb b/test/unit/helpers/application_helper_test.rb
index e097efe52..7e4505a74 100644
--- a/test/unit/helpers/application_helper_test.rb
+++ b/test/unit/helpers/application_helper_test.rb
@@ -132,12 +132,12 @@ RAW
 
   def test_attached_images
     to_test = {
-      'Inline image: !logo.gif!' => 'Inline image: <img src="/attachments/download/3" title="This is a logo" alt="This is a logo" />',
-      'Inline image: !logo.GIF!' => 'Inline image: <img src="/attachments/download/3" title="This is a logo" alt="This is a logo" />',
+      'Inline image: !logo.gif!' => 'Inline image: <img src="/attachments/download/3/logo.gif" title="This is a logo" alt="This is a logo" />',
+      'Inline image: !logo.GIF!' => 'Inline image: <img src="/attachments/download/3/logo.gif" title="This is a logo" alt="This is a logo" />',
       'No match: !ogo.gif!' => 'No match: <img src="ogo.gif" alt="" />',
       'No match: !ogo.GIF!' => 'No match: <img src="ogo.GIF" alt="" />',
       # link image
-      '!logo.gif!:http://foo.bar/' => '<a href="http://foo.bar/"><img src="/attachments/download/3" title="This is a logo" alt="This is a logo" /></a>',
+      '!logo.gif!:http://foo.bar/' => '<a href="http://foo.bar/"><img src="/attachments/download/3/logo.gif" title="This is a logo" alt="This is a logo" /></a>',
     }
     attachments = Attachment.all
     to_test.each { |text, result| assert_equal "<p>#{result}</p>", textilizable(text, :attachments => attachments) }
@@ -183,13 +183,13 @@ RAW
 
     to_test = {
       'Inline image: !testtest.jpg!' =>
-        'Inline image: <img src="/attachments/download/' + a1.id.to_s + '" alt="" />',
+        'Inline image: <img src="/attachments/download/' + a1.id.to_s + '/testtest.JPG" alt="" />',
       'Inline image: !testtest.jpeg!' =>
-        'Inline image: <img src="/attachments/download/' + a2.id.to_s + '" alt="" />',
+        'Inline image: <img src="/attachments/download/' + a2.id.to_s + '/testtest.jpeg" alt="" />',
       'Inline image: !testtest.jpe!' =>
-        'Inline image: <img src="/attachments/download/' + a3.id.to_s + '" alt="" />',
+        'Inline image: <img src="/attachments/download/' + a3.id.to_s + '/testtest.JPE" alt="" />',
       'Inline image: !testtest.bmp!' =>
-        'Inline image: <img src="/attachments/download/' + a4.id.to_s + '" alt="" />',
+        'Inline image: <img src="/attachments/download/' + a4.id.to_s + '/Testtest.BMP" alt="" />',
     }
 
     attachments = [a1, a2, a3, a4]
@@ -212,9 +212,9 @@ RAW
 
     to_test = {
       'Inline image: !testfile.png!' =>
-        'Inline image: <img src="/attachments/download/' + a2.id.to_s + '" alt="" />',
+        'Inline image: <img src="/attachments/download/' + a2.id.to_s + '/testfile.PNG" alt="" />',
       'Inline image: !Testfile.PNG!' =>
-        'Inline image: <img src="/attachments/download/' + a2.id.to_s + '" alt="" />',
+        'Inline image: <img src="/attachments/download/' + a2.id.to_s + '/testfile.PNG" alt="" />',
     }
     attachments = [a1, a2]
     to_test.each { |text, result| assert_equal "<p>#{result}</p>", textilizable(text, :attachments => attachments) }