diff --git a/CHANGELOG.md b/CHANGELOG.md
index 12c439135..5de9ae292 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -102,6 +102,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Mastodon API: Correct `reblogged`, `favourited`, and `bookmarked` values in the reblog status JSON
 - Mastodon API: Exposing default scope of the user to anyone
 - Mastodon API: Make `irreversible` field default to `false` [`POST /api/v1/filters`]
+- User-Agent is now sent correctly for all HTTP requests.
 
 ## Removed
 - Configuration: `config :pleroma, :fe` in favor of the more flexible `config :pleroma, :frontend_configurations`
diff --git a/config/config.exs b/config/config.exs
index e82f08e07..9a10b0ff7 100644
--- a/config/config.exs
+++ b/config/config.exs
@@ -192,6 +192,7 @@
 # Configures http settings, upstream proxy etc.
 config :pleroma, :http,
   proxy_url: nil,
+  send_user_agent: true,
   adapter: [
     ssl_options: [
       # We don't support TLS v1.3 yet
diff --git a/config/test.exs b/config/test.exs
index e1785d10f..6100989c4 100644
--- a/config/test.exs
+++ b/config/test.exs
@@ -63,6 +63,8 @@
 
 config :pleroma, :http_security, report_uri: "https://endpoint.com"
 
+config :pleroma, :http, send_user_agent: false
+
 rum_enabled = System.get_env("RUM_ENABLED") == "true"
 config :pleroma, :database, rum_enabled: rum_enabled
 IO.puts("RUM enabled: #{rum_enabled}")
diff --git a/lib/pleroma/http/request_builder.ex b/lib/pleroma/http/request_builder.ex
index 5f2cff2c0..e23457999 100644
--- a/lib/pleroma/http/request_builder.ex
+++ b/lib/pleroma/http/request_builder.ex
@@ -45,8 +45,15 @@ def url(request, u) do
   Add headers to the request
   """
   @spec headers(map(), list(tuple)) :: map()
-  def headers(request, h) do
-    Map.put_new(request, :headers, h)
+  def headers(request, header_list) do
+    header_list =
+      if Pleroma.Config.get([:http, :send_user_agent]) do
+        header_list ++ [{"User-Agent", Pleroma.Application.user_agent()}]
+      else
+        header_list
+      end
+
+    Map.put_new(request, :headers, header_list)
   end
 
   @doc """