1 files changed, 1 insertions, 1 deletions
diff --git a/activestorage/lib/active_storage/previewer.rb b/activestorage/lib/active_storage/previewer.rb
index c91f64ac65..930b376067 100644
--- a/activestorage/lib/active_storage/previewer.rb
+++ b/activestorage/lib/active_storage/previewer.rb
@@ -55,7 +55,7 @@ module ActiveStorage
       #   end
       def draw(*argv) # :doc:
         Tempfile.open("output") do |file|
-          capture *argv, to: file
+          capture(*argv, to: file)
           yield file
         end
       end