diff --git a/README.md b/README.md
index 8b938f7..d9e2716 100644
--- a/README.md
+++ b/README.md
@@ -42,10 +42,11 @@ The following environment variables must be set:
 
 You can also optionally set these variables:
 
-| Variable         | Description                                           | Default              |
-|------------------|-------------------------------------------------------|----------------------|
-| `FF_POLICY_FILE` | The file to read for policy on who can perform merges | `.github/ff-bot.yml` |
-| `FF_LISTEN_PORT` | The HTTP port for the service to listen on            | 4000                 |
+| Variable           | Description                                                                              | Default              |
+|--------------------|------------------------------------------------------------------------------------------|----------------------|
+| `FF_POLICY_FILE`   | The file to read for policy on who can perform merges                                    | `.github/ff-bot.yml` |
+| `FF_LISTEN_PORT`   | The HTTP port for the service to listen on                                               | 4000                 |
+| `FF_NO_PROPAGANDA` | Disable all team encouragement messages generated by the bot on merged Pull Requests.    |                      |
 
 ## Usage
 
diff --git a/config/runtime.exs b/config/runtime.exs
index c957b70..c836ae1 100644
--- a/config/runtime.exs
+++ b/config/runtime.exs
@@ -5,4 +5,5 @@ config :ff_bot,
   github_client_id: System.fetch_env!("GITHUB_CLIENT_ID"),
   github_client_secret: System.fetch_env!("GITHUB_CLIENT_SECRET") |> String.replace("\\n", "\n"),
   policy_file: System.get_env("FF_POLICY_FILE", ".github/ff-bot.yml"),
-  service_port: System.get_env("FF_LISTEN_PORT", "4000") |> String.to_integer()
+  service_port: System.get_env("FF_LISTEN_PORT", "4000") |> String.to_integer(),
+  disable_propaganda?: System.get_env("FF_NO_PROPAGANDA")
diff --git a/lib/ff_bot/github/merger.ex b/lib/ff_bot/github/merger.ex
index fa7d3ed..33d146b 100644
--- a/lib/ff_bot/github/merger.ex
+++ b/lib/ff_bot/github/merger.ex
@@ -44,7 +44,7 @@ defmodule FFBot.GitHub.Merger do
       pull_request["number"],
       :success,
       "Successfully fast-forwarded commits from `#{pull_request["head"]["label"]}` " <>
-        "onto `#{repo["default_branch"]}`"
+        "onto `#{repo["default_branch"]}`" <> maybe_propaganda()
     )
   end
 
@@ -66,4 +66,12 @@ defmodule FFBot.GitHub.Merger do
   defp push_changes(cloned) do
     {:ok, _} = Git.push(cloned)
   end
+
+  defp maybe_propaganda do
+    if Application.get_env(:ff_bot, :disable_propaganda?) == nil and :rand.uniform() < 0.01 do
+      ". Glory to Arstotzka!"
+    else
+      ""
+    end
+  end
 end