diff --git a/lib/pleroma/constants.ex b/lib/pleroma/constants.ex
index 4d69b840cb..e59b85ea3e 100644
--- a/lib/pleroma/constants.ex
+++ b/lib/pleroma/constants.ex
@@ -22,7 +22,8 @@ defmodule Pleroma.Constants do
       "generator",
       "assigned_account",
       "rules",
-      "content_type"
+      "content_type",
+      "voters"
     ]
   )
 
diff --git a/lib/pleroma/web/activity_pub/object_validators/question_validator.ex b/lib/pleroma/web/activity_pub/object_validators/question_validator.ex
index 4bfa295084..00b85a2148 100644
--- a/lib/pleroma/web/activity_pub/object_validators/question_validator.ex
+++ b/lib/pleroma/web/activity_pub/object_validators/question_validator.ex
@@ -29,6 +29,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.QuestionValidator do
 
     field(:closed, ObjectValidators.DateTime)
     field(:voters, {:array, ObjectValidators.ObjectID}, default: [])
+    field(:votersCount, :integer)
     field(:nonAnonymous, :boolean)
     embeds_many(:anyOf, QuestionOptionsValidator)
     embeds_many(:oneOf, QuestionOptionsValidator)
diff --git a/lib/pleroma/web/activity_pub/transmogrifier.ex b/lib/pleroma/web/activity_pub/transmogrifier.ex
index 816823b1c1..214a6b587e 100644
--- a/lib/pleroma/web/activity_pub/transmogrifier.ex
+++ b/lib/pleroma/web/activity_pub/transmogrifier.ex
@@ -723,6 +723,12 @@ def replies(%{"replies" => %{"items" => items}}) when not is_nil(items) do
 
   def replies(_), do: []
 
+  defp set_voters_count(%{"voters" => [_ | _] = voters} = obj) do
+    Map.merge(obj, %{"votersCount" => length(voters)})
+  end
+
+  defp set_voters_count(obj), do: obj
+
   # Prepares the object of an outgoing create activity.
   def prepare_object(object) do
     object
@@ -735,6 +741,7 @@ def prepare_object(object) do
     |> set_reply_to_uri
     |> set_quote_url
     |> set_replies
+    |> set_voters_count
     |> strip_internal_fields
     |> strip_internal_tags
     |> set_type
diff --git a/lib/pleroma/web/mastodon_api/views/poll_view.ex b/lib/pleroma/web/mastodon_api/views/poll_view.ex
index 1e3c9f36d4..5bc482c8d8 100644
--- a/lib/pleroma/web/mastodon_api/views/poll_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/poll_view.ex
@@ -71,6 +71,10 @@ defp options_and_votes_count(options) do
     end)
   end
 
+  defp voters_count(%{data: %{"votersCount" => voters}}) when is_number(voters) do
+    voters
+  end
+
   defp voters_count(%{data: %{"voters" => [_ | _] = voters}}) do
     length(voters)
   end
diff --git a/priv/static/schemas/litepub-0.1.jsonld b/priv/static/schemas/litepub-0.1.jsonld
index d47f55c692..970ceabdcf 100644
--- a/priv/static/schemas/litepub-0.1.jsonld
+++ b/priv/static/schemas/litepub-0.1.jsonld
@@ -41,7 +41,8 @@
             },
             "vcard": "http://www.w3.org/2006/vcard/ns#",
             "sm": "http://smithereen.software/ns#",
-            "nonAnonymous": "sm:nonAnonymous"
+            "nonAnonymous": "sm:nonAnonymous",
+            "votersCount" : "toot:votersCount"
         }
     ]
 }
diff --git a/test/pleroma/web/activity_pub/transmogrifier/question_handling_test.exs b/test/pleroma/web/activity_pub/transmogrifier/question_handling_test.exs
index d22ec400dc..66f8499faf 100644
--- a/test/pleroma/web/activity_pub/transmogrifier/question_handling_test.exs
+++ b/test/pleroma/web/activity_pub/transmogrifier/question_handling_test.exs
@@ -173,4 +173,23 @@ test "accepts a Question with no content" do
 
     assert {:ok, %Activity{local: false}} = Transmogrifier.handle_incoming(data)
   end
+
+  test "it strips voters list and displays voters count instead" do
+    user = insert(:user)
+    other_user = insert(:user)
+
+    {:ok, activity} =
+      CommonAPI.post(user, %{
+        status: "???",
+        poll: %{expires_in: 10, options: ["yes", "no"]}
+      })
+
+    object = Object.normalize(activity, fetch: false)
+    {:ok, _, _} = CommonAPI.vote(other_user, object, [1])
+
+    {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
+
+    refute Map.has_key?(modified["object"], "voters")
+    assert modified["object"]["votersCount"] == 1
+  end
 end
diff --git a/test/pleroma/web/mastodon_api/views/poll_view_test.exs b/test/pleroma/web/mastodon_api/views/poll_view_test.exs
index 3aa73c224e..98f1f365fc 100644
--- a/test/pleroma/web/mastodon_api/views/poll_view_test.exs
+++ b/test/pleroma/web/mastodon_api/views/poll_view_test.exs
@@ -167,7 +167,14 @@ test "doesn't strips HTML tags" do
            } = PollView.render("show.json", %{object: object})
   end
 
-  test "that poll is non anonymous" do
+  test "displays correct voters count" do
+    object = Object.normalize("https://friends.grishka.me/posts/54642", fetch: true)
+    result = PollView.render("show.json", %{object: object})
+
+    assert result[:voters_count] == 14
+  end
+
+  test "detects that poll is non anonymous" do
     object = Object.normalize("https://friends.grishka.me/posts/54642", fetch: true)
     result = PollView.render("show.json", %{object: object})