2 files changed, 18 insertions, 7 deletions
diff --git a/lib/pleroma/plugs/rate_limiter/limiter_supervisor.ex b/lib/pleroma/plugs/rate_limiter/limiter_supervisor.ex
index 187582ede..884268d96 100644
--- a/lib/pleroma/plugs/rate_limiter/limiter_supervisor.ex
+++ b/lib/pleroma/plugs/rate_limiter/limiter_supervisor.ex
@@ -7,8 +7,8 @@ defmodule Pleroma.Plugs.RateLimiter.LimiterSupervisor do
     DynamicSupervisor.start_link(__MODULE__, init_arg, name: __MODULE__)
   end
 
-  def add_limiter(limiter_name, expiration) do
-    {:ok, _pid} =
+  def add_or_return_limiter(limiter_name, expiration) do
+    result =
       DynamicSupervisor.start_child(
         __MODULE__,
         %{
@@ -28,6 +28,12 @@ defmodule Pleroma.Plugs.RateLimiter.LimiterSupervisor do
              ]}
         }
       )
+
+    case result do
+      {:ok, _pid} = result -> result
+      {:error, {:already_started, pid}} -> {:ok, pid}
+      _ -> result
+    end
   end
 
   @impl true
diff --git a/lib/pleroma/plugs/rate_limiter/rate_limiter.ex b/lib/pleroma/plugs/rate_limiter/rate_limiter.ex
index 9c362a392..b9cbe9716 100644
--- a/lib/pleroma/plugs/rate_limiter/rate_limiter.ex
+++ b/lib/pleroma/plugs/rate_limiter/rate_limiter.ex
@@ -171,7 +171,7 @@ defmodule Pleroma.Plugs.RateLimiter do
         {:error, value}
 
       {:error, :no_cache} ->
-        initialize_buckets(action_settings)
+        initialize_buckets!(action_settings)
         check_rate(action_settings)
     end
   end
@@ -250,11 +250,16 @@ defmodule Pleroma.Plugs.RateLimiter do
     |> String.replace_leading(":", "")
   end
 
-  defp initialize_buckets(%{name: _name, limits: nil}), do: :ok
+  defp initialize_buckets!(%{name: _name, limits: nil}), do: :ok
 
-  defp initialize_buckets(%{name: name, limits: limits}) do
-    LimiterSupervisor.add_limiter(anon_bucket_name(name), get_scale(:anon, limits))
-    LimiterSupervisor.add_limiter(user_bucket_name(name), get_scale(:user, limits))
+  defp initialize_buckets!(%{name: name, limits: limits}) do
+    {:ok, _pid} =
+      LimiterSupervisor.add_or_return_limiter(anon_bucket_name(name), get_scale(:anon, limits))
+
+    {:ok, _pid} =
+      LimiterSupervisor.add_or_return_limiter(user_bucket_name(name), get_scale(:user, limits))
+
+    :ok
   end
 
   defp attach_identity(base, %{mode: :user, conn_info: conn_info}),