diff --git a/config/test.exs b/config/test.exs
index 23489d452..5e8135a58 100644
--- a/config/test.exs
+++ b/config/test.exs
@@ -141,6 +141,8 @@
 # https://dashbit.co/blog/speeding-up-re-compilation-of-elixir-projects
 config :phoenix, :plug_init_mode, :runtime
 
+config :pleroma, :config_impl, Pleroma.UnstubbedConfigMock
+
 if File.exists?("./config/test.secret.exs") do
   import_config "test.secret.exs"
 else
diff --git a/lib/pleroma/config/getting.ex b/lib/pleroma/config/getting.ex
index f9b66bba6..0de4782ea 100644
--- a/lib/pleroma/config/getting.ex
+++ b/lib/pleroma/config/getting.ex
@@ -5,4 +5,11 @@
 defmodule Pleroma.Config.Getting do
   @callback get(any()) :: any()
   @callback get(any(), any()) :: any()
+
+  def get(key), do: get(key, nil)
+  def get(key, default), do: impl().get(key, default)
+
+  def impl() do
+    Application.get_env(:pleroma, :config_impl, Pleroma.Config)
+  end
 end
diff --git a/test/support/mocks.ex b/test/support/mocks.ex
index d167996bd..9693095ba 100644
--- a/test/support/mocks.ex
+++ b/test/support/mocks.ex
@@ -26,5 +26,6 @@
 Mox.defmock(Pleroma.Web.FederatorMock, for: Pleroma.Web.Federator.Publishing)
 
 Mox.defmock(Pleroma.ConfigMock, for: Pleroma.Config.Getting)
+Mox.defmock(Pleroma.UnstubbedConfigMock, for: Pleroma.Config.Getting)
 
 Mox.defmock(Pleroma.LoggerMock, for: Pleroma.Logging)