1 files changed, 7 insertions, 3 deletions
diff --git a/activestorage/app/models/active_storage/blob/identifiable.rb b/activestorage/app/models/active_storage/blob/identifiable.rb
index dbe03cfa6c..049e45dc3e 100644
--- a/activestorage/app/models/active_storage/blob/identifiable.rb
+++ b/activestorage/app/models/active_storage/blob/identifiable.rb
@@ -2,7 +2,7 @@
 
 module ActiveStorage::Blob::Identifiable
   def identify
-    update!(content_type: identification.content_type, identified: true) unless identified?
+    update! content_type: identify_content_type, identified: true unless identified?
   end
 
   def identified?
@@ -10,7 +10,11 @@ module ActiveStorage::Blob::Identifiable
   end
 
   private
-    def identification
-      ActiveStorage::Identification.new self
+    def identify_content_type
+      Marcel::MimeType.for download_identifiable_chunk, name: filename.to_s, declared_type: content_type
+    end
+
+    def download_identifiable_chunk
+      service.download_chunk key, 0...4.kilobytes
     end
 end