diff --git a/changelog.d/well-known.change b/changelog.d/well-known.change
new file mode 100644
index 000000000..e928124fb
--- /dev/null
+++ b/changelog.d/well-known.change
@@ -0,0 +1 @@
+Accept application/activity+json for requests to .well-known/nodeinfo
diff --git a/lib/pleroma/web/router.ex b/lib/pleroma/web/router.ex
index fc40a1143..4294dffa5 100644
--- a/lib/pleroma/web/router.ex
+++ b/lib/pleroma/web/router.ex
@@ -189,7 +189,7 @@ defmodule Pleroma.Web.Router do
   end
 
   pipeline :well_known do
-    plug(:accepts, ["json", "jrd", "jrd+json", "xml", "xrd+xml"])
+    plug(:accepts, ["activity+json", "json", "jrd", "jrd+json", "xml", "xrd+xml"])
   end
 
   pipeline :config do
diff --git a/test/pleroma/web/node_info_test.exs b/test/pleroma/web/node_info_test.exs
index f474220be..afe4ebb36 100644
--- a/test/pleroma/web/node_info_test.exs
+++ b/test/pleroma/web/node_info_test.exs
@@ -24,6 +24,19 @@ defmodule Pleroma.Web.NodeInfoTest do
       |> get(href)
       |> json_response(200)
     end)
+
+    accept_types = [
+      "application/activity+json",
+      "application/json",
+      "application/jrd+json"
+    ]
+
+    for type <- accept_types do
+      conn
+      |> put_req_header("accept", type)
+      |> get("/.well-known/nodeinfo")
+      |> json_response(200)
+    end
   end
 
   test "nodeinfo shows staff accounts", %{conn: conn} do