diff --git a/app/models/admin/ng_rule.rb b/app/models/admin/ng_rule.rb
index 8746457b808725..54ca39b4c9d0cd 100644
--- a/app/models/admin/ng_rule.rb
+++ b/app/models/admin/ng_rule.rb
@@ -176,7 +176,7 @@ def value_over_threshold?(_reason, value, expected)
   end
 
   def detect_keyword?(text, arr)
-    Admin::NgRule.detect_keyword?(text, arr)
+    Admin::NgRule.detect_keyword?(text, arr, local: @account.local?)
   end
 
   class << self
@@ -184,14 +184,15 @@ def string_to_array(text)
       text.delete("\r").split("\n")
     end
 
-    def detect_keyword(text, arr)
+    def detect_keyword(text, arr, local: true)
       arr = string_to_array(arr) if arr.is_a?(String)
+      text = PlainTextFormatter.new(text, false).to_s unless local
 
       arr.detect { |word| include?(text, word) ? word : nil }
     end
 
-    def detect_keyword?(text, arr)
-      detect_keyword(text, arr).present?
+    def detect_keyword?(text, arr, local: true)
+      detect_keyword(text, arr, local: local).present?
     end
 
     def include?(text, word)
diff --git a/app/models/admin/ng_word.rb b/app/models/admin/ng_word.rb
index 2a961d290349be..871909e316b0bf 100644
--- a/app/models/admin/ng_word.rb
+++ b/app/models/admin/ng_word.rb
@@ -3,12 +3,14 @@
 class Admin::NgWord
   class << self
     def reject?(text, **options)
+      text = PlainTextFormatter.new(text, false).to_s if options[:uri].present?
       hit_word = ng_words.detect { |word| include?(text, word) ? word : nil }
       record!(:ng_words, text, hit_word, options) if hit_word.present?
       hit_word.present?
     end
 
     def stranger_mention_reject?(text, **options)
+      text = PlainTextFormatter.new(text, false).to_s if options[:uri].present?
       hit_word = ng_words_for_stranger_mention.detect { |word| include?(text, word) ? word : nil }
       record!(:ng_words_for_stranger_mention, text, hit_word, options) if hit_word.present?
       hit_word.present?
diff --git a/spec/lib/activitypub/activity/create_spec.rb b/spec/lib/activitypub/activity/create_spec.rb
index f5137b9fe64b2a..5c668f1e3abdcf 100644
--- a/spec/lib/activitypub/activity/create_spec.rb
+++ b/spec/lib/activitypub/activity/create_spec.rb
@@ -1802,7 +1802,7 @@ def activity_for_object(json)
         end
 
         context 'when not contains ng words' do
-          let(:content) { 'ohagi, world!' }
+          let(:content) { 'ohagi, world! <a href="https://hello.org">OH GOOD</a>' }
 
           it 'creates status' do
             expect(sender.statuses.first).to_not be_nil
@@ -2052,7 +2052,7 @@ def activity_for_object(json)
 
       context 'when ng rule is set' do
         let(:custom_before) { true }
-        let(:content) { 'Lorem ipsum' }
+        let(:content) { 'Lorem ipsum <a href="https://amely.net/">GOOD LINK</a>' }
         let(:object_json) do
           {
             id: [ActivityPub::TagManager.instance.uri_for(sender), '#bar'].join,