diff --git a/lib/pleroma/web/common_api/common_api.ex b/lib/pleroma/web/common_api/common_api.ex
index 173353aa5..e0987b1a7 100644
--- a/lib/pleroma/web/common_api/common_api.ex
+++ b/lib/pleroma/web/common_api/common_api.ex
@@ -54,6 +54,9 @@ defp format_chat_content(content) do
       content
       |> Formatter.html_escape("text/plain")
       |> Formatter.linkify()
+      |> (fn {text, mentions, tags} ->
+            {String.replace(text, ~r/\r?\n/, "<br>"), mentions, tags}
+          end).()
 
     text
   end
diff --git a/test/web/common_api/common_api_test.exs b/test/web/common_api/common_api_test.exs
index 41c6909de..611a9ae66 100644
--- a/test/web/common_api/common_api_test.exs
+++ b/test/web/common_api/common_api_test.exs
@@ -50,6 +50,26 @@ test "it posts a chat message without content but with an attachment" do
       assert activity
     end
 
+    test "it adds html newlines" do
+      author = insert(:user)
+      recipient = insert(:user)
+
+      other_user = insert(:user)
+
+      {:ok, activity} =
+        CommonAPI.post_chat_message(
+          author,
+          recipient,
+          "uguu\nuguuu"
+        )
+
+      assert other_user.ap_id not in activity.recipients
+
+      object = Object.normalize(activity, false)
+
+      assert object.data["content"] == "uguu<br/>uguuu"
+    end
+
     test "it linkifies" do
       author = insert(:user)
       recipient = insert(:user)