1 files changed, 1 insertions, 5 deletions
diff --git a/activestorage/lib/active_storage/downloader.rb b/activestorage/lib/active_storage/downloader.rb
index 2aa56a729a..87be6efb05 100644
--- a/activestorage/lib/active_storage/downloader.rb
+++ b/activestorage/lib/active_storage/downloader.rb
@@ -19,7 +19,7 @@ module ActiveStorage
       attr_reader :blob, :tempdir
 
       def open_tempfile
-        file = Tempfile.open([ "ActiveStorage", tempfile_extension_with_delimiter ], tempdir)
+        file = Tempfile.open([ "ActiveStorage-#{blob.id}-", blob.filename.extension_with_delimiter ], tempdir)
 
         begin
           yield file
@@ -40,9 +40,5 @@ module ActiveStorage
           raise ActiveStorage::IntegrityError
         end
       end
-
-      def tempfile_extension_with_delimiter
-        blob.filename.extension_with_delimiter
-      end
   end
 end