1 files changed, 11 insertions, 1 deletions
diff --git a/activestorage/lib/active_storage/previewer.rb b/activestorage/lib/active_storage/previewer.rb
index dacab1e7df..cf19987d72 100644
--- a/activestorage/lib/active_storage/previewer.rb
+++ b/activestorage/lib/active_storage/previewer.rb
@@ -44,13 +44,23 @@ module ActiveStorage
       # The output tempfile is opened in the directory returned by ActiveStorage::Downloading#tempdir.
       def draw(*argv) #:doc:
         ActiveSupport::Notifications.instrument("preview.active_storage") do
-          Tempfile.open("ActiveStorage", tempdir) do |file|
+          open_tempfile_for_drawing do |file|
             capture(*argv, to: file)
             yield file
           end
         end
       end
 
+      def open_tempfile_for_drawing
+        tempfile = Tempfile.open("ActiveStorage", tempdir)
+
+        begin
+          yield tempfile
+        ensure
+          tempfile.close!
+        end
+      end
+
       def capture(*argv, to:)
         to.binmode
         IO.popen(argv, err: File::NULL) { |out| IO.copy_stream(out, to) }