diff --git a/app/services/fetch_link_card_service.rb b/app/services/fetch_link_card_service.rb
index 5d4a7c30362778f4544bafa58de1086bf5121f59..91141c1f545f398c0f09e4cf83ea9692e9cc63f2 100644
--- a/app/services/fetch_link_card_service.rb
+++ b/app/services/fetch_link_card_service.rb
@@ -45,7 +45,7 @@ class FetchLinkCardService < BaseService
   def html
     return @html if defined?(@html)
 
-    Request.new(:get, @url).perform do |res|
+    Request.new(:get, @url).add_headers('Accept' => 'text/html').perform do |res|
       if res.code == 200 && res.mime_type == 'text/html'
         @html = res.body_with_limit
         @html_charset = res.charset
diff --git a/app/services/fetch_oembed_service.rb b/app/services/fetch_oembed_service.rb
index 76d971bc51c9922728205bed79c6f2801fecfd4b..67e33875c68fda51523447995ac5a9e89fb24f27 100644
--- a/app/services/fetch_oembed_service.rb
+++ b/app/services/fetch_oembed_service.rb
@@ -93,7 +93,7 @@ class FetchOEmbedService
   def html
     return @html if defined?(@html)
 
-    @html = @options[:html] || Request.new(:get, @url).perform do |res|
+    @html = @options[:html] || Request.new(:get, @url).add_headers('Accept' => 'text/html').perform do |res|
       res.code != 200 || res.mime_type != 'text/html' ? nil : res.body_with_limit
     end
   end