diff --git a/plemp.rb b/plemp.rb
index 1deac51..277493d 100644
--- a/plemp.rb
+++ b/plemp.rb
@@ -163,6 +163,10 @@ module Plemp::Views
     div.draggables! do
       @draggables.each do |d|
         file = UPLOAD_DIR + d.file
+        unless file.exist?
+          d.destroy
+          next
+        end
         file_type = `file --brief --mime-type #{file}`.chomp
         mime_type = MIME::Types[file_type].first
         if mime_type.nil?