diff --git a/app/logical/post_query_builder.rb b/app/logical/post_query_builder.rb
index 88d77bc09..9773624d9 100644
--- a/app/logical/post_query_builder.rb
+++ b/app/logical/post_query_builder.rb
@@ -118,7 +118,9 @@ class PostQueryBuilder
 
   def metatags_match(metatags, relation)
     metatags.each do |metatag|
-      clause = metatag_matches(metatag.name, metatag.value, quoted: metatag.quoted)
+      metatag_name = metatags_without_ord[metatag.name] if metatag.negated && metatags_without_ord.key?(metatag.name)
+
+      clause = metatag_matches(metatag_name || metatag.name, metatag.value, quoted: metatag.quoted)
       clause = clause.negate_relation if metatag.negated
       relation = relation.and_relation(clause)
     end
@@ -126,6 +128,14 @@ class PostQueryBuilder
     relation
   end
 
+  def metatags_without_ord
+    {
+      "ordfav" => "fav",
+      "ordfavgroup" => "favgroup",
+      "ordpool" => "pool",
+    }
+  end
+
   def metatag_matches(name, value, quoted: false)
     case name
     when "id"