diff --git a/app/models/parser.rb b/app/models/parser.rb
index 734e11de..7171fffd 100644
--- a/app/models/parser.rb
+++ b/app/models/parser.rb
@@ -67,7 +67,7 @@ module Parser
         if asset
           res = "<img src=#{asset.data.file.url} "
           tag.attr.each do |l|
-            res << "#{l[0]}=#{l[1]} "
+            res << "#{l[0]}='#{l[1]}' "
           end
           res << '>'
         end