diff --git a/lib/rgb_matrix/animation.ex b/lib/rgb_matrix/animation.ex
index 2d06f3d..5b3a9f0 100644
--- a/lib/rgb_matrix/animation.ex
+++ b/lib/rgb_matrix/animation.ex
@@ -61,7 +61,7 @@ defmodule RGBMatrix.Animation do
   """
   @spec new(animation_type :: type, leds :: [LED.t()]) :: {render_in, t}
   def new(animation_type, leds) do
-    config_module = Module.concat([animation_type, Config])
+    config_module = Module.concat([animation_type, "Config"])
     animation_config = config_module.new()
     {render_in, animation_state} = animation_type.new(leds, animation_config)
 
diff --git a/lib/rgb_matrix/animation/solid_reactive.ex b/lib/rgb_matrix/animation/solid_reactive.ex
index bba9f0f..f83481a 100644
--- a/lib/rgb_matrix/animation/solid_reactive.ex
+++ b/lib/rgb_matrix/animation/solid_reactive.ex
@@ -59,11 +59,11 @@ defmodule RGBMatrix.Animation.SolidReactive do
 
     colors = Enum.map(leds, &{&1.id, color})
 
-    {colors, :never, %{state | first_render: false, paused: true}}
+    {:never, colors, %{state | first_render: false, paused: true}}
   end
 
   def render(%{paused: true} = state, _config),
-    do: {[], :never, state}
+    do: {:never, [], state}
 
   def render(state, config) do
     %{tick: tick, color: color, leds: leds, hits: hits} = state