diff --git a/app/controllers/repositories_controller.rb b/app/controllers/repositories_controller.rb
index d74b59b..f93bede 100644
--- a/app/controllers/repositories_controller.rb
+++ b/app/controllers/repositories_controller.rb
@@ -176,6 +176,7 @@ class RepositoriesController < ApplicationController
       send_opt = { :filename => filename_for_content_disposition(@path.split('/').last) }
       send_type = Redmine::MimeType.of(@path)
       send_opt[:type] = send_type.to_s if send_type
+      send_opt[:disposition] = (Redmine::MimeType.is_type?('image', @path) && !is_raw ? 'inline' : 'attachment')
       send_data @content, send_opt
     else
       # Prevent empty lines when displaying a file with Windows style eol
diff --git a/test/functional/repositories_subversion_controller_test.rb b/test/functional/repositories_subversion_controller_test.rb
index 7176cd5..5bee2a3 100644
--- a/test/functional/repositories_subversion_controller_test.rb
+++ b/test/functional/repositories_subversion_controller_test.rb
@@ -185,6 +185,13 @@ class RepositoriesSubversionControllerTest < ActionController::TestCase
       end
     end
 
+    def test_entry_should_send_images_inline
+      get :entry, :id => PRJ_ID,
+          :path => repository_path_hash(['subversion_test', 'folder', 'subfolder', 'rubylogo.gif'])[:param]
+      assert_response :success
+      assert_equal 'inline; filename="rubylogo.gif"', response.headers['Content-Disposition']
+    end
+
     def test_entry_at_given_revision
       assert_equal 0, @repository.changesets.count
       @repository.fetch_changesets