diff --git a/app/controllers/active_storage/direct_uploads_controller_decorator.rb b/app/controllers/active_storage/direct_uploads_controller_decorator.rb
index c62dae2a..5ac58ecf 100644
--- a/app/controllers/active_storage/direct_uploads_controller_decorator.rb
+++ b/app/controllers/active_storage/direct_uploads_controller_decorator.rb
@@ -19,7 +19,7 @@ module ActiveStorage
       # stack.
       def blob_args
         params.require(:blob).permit(:filename, :byte_size, :checksum, :content_type, metadata: {}).to_h.symbolize_keys.tap do |ba|
-          ba[:filename] = ba[:filename].unicode_normalize
+          ba[:filename] = ba[:filename].unicode_normalize.sub(/\A_+/, '')
         end
       end
     end
diff --git a/app/lib/action_dispatch/http/uploaded_file_decorator.rb b/app/lib/action_dispatch/http/uploaded_file_decorator.rb
index 0bdebdc0..7b28a0db 100644
--- a/app/lib/action_dispatch/http/uploaded_file_decorator.rb
+++ b/app/lib/action_dispatch/http/uploaded_file_decorator.rb
@@ -11,7 +11,7 @@ module ActionDispatch
         # Devolver el nombre de archivo con caracteres unicode
         # normalizados
         def original_filename
-          @original_filename.unicode_normalize
+          @original_filename.unicode_normalize.sub(/\A_+/, '')
         end
       end
     end