diff --git a/lib/pleroma/web/api_spec/operations/pleroma_emoji_file_operation.ex b/lib/pleroma/web/api_spec/operations/pleroma_emoji_file_operation.ex
index ebb32f448..b05bad197 100644
--- a/lib/pleroma/web/api_spec/operations/pleroma_emoji_file_operation.ex
+++ b/lib/pleroma/web/api_spec/operations/pleroma_emoji_file_operation.ex
@@ -36,9 +36,9 @@ def create_operation do
   defp create_request do
     %Schema{
       type: :object,
-      required: ["file"],
+      required: [:file],
       properties: %{
-        "file" => %Schema{
+        file: %Schema{
           description:
             "File needs to be uploaded with the multipart request or link to remote file",
           anyOf: [
@@ -46,12 +46,12 @@ defp create_request do
             %Schema{type: :string, format: :uri}
           ]
         },
-        "shortcode" => %Schema{
+        shortcode: %Schema{
           type: :string,
           description:
             "Shortcode for new emoji, must be unique for all emoji. If not sended, shortcode will be taken from original filename."
         },
-        "filename" => %Schema{
+        filename: %Schema{
           type: :string,
           description:
             "New emoji file name. If not specified will be taken from original filename."
@@ -81,21 +81,21 @@ def update_operation do
   defp update_request do
     %Schema{
       type: :object,
-      required: ["shortcode", "new_shortcode", "new_filename"],
+      required: [:shortcode, :new_shortcode, :new_filename],
       properties: %{
-        "shortcode" => %Schema{
+        shortcode: %Schema{
           type: :string,
           description: "Emoji file shortcode"
         },
-        "new_shortcode" => %Schema{
+        new_shortcode: %Schema{
           type: :string,
           description: "New emoji file shortcode"
         },
-        "new_filename" => %Schema{
+        new_filename: %Schema{
           type: :string,
           description: "New filename for emoji file"
         },
-        "force" => %Schema{
+        force: %Schema{
           type: :boolean,
           description: "With true value to overwrite existing emoji with new shortcode",
           default: false
diff --git a/lib/pleroma/web/pleroma_api/controllers/emoji_file_controller.ex b/lib/pleroma/web/pleroma_api/controllers/emoji_file_controller.ex
index 618b924a0..f854cf9c1 100644
--- a/lib/pleroma/web/pleroma_api/controllers/emoji_file_controller.ex
+++ b/lib/pleroma/web/pleroma_api/controllers/emoji_file_controller.ex
@@ -23,11 +23,11 @@ defmodule Pleroma.Web.PleromaAPI.EmojiFileController do
   defdelegate open_api_operation(action), to: ApiSpec.PleromaEmojiFileOperation
 
   def create(%{body_params: params} = conn, %{name: pack_name}) do
-    filename = params["filename"] || get_filename(params["file"])
-    shortcode = params["shortcode"] || Path.basename(filename, Path.extname(filename))
+    filename = params[:filename] || get_filename(params[:file])
+    shortcode = params[:shortcode] || Path.basename(filename, Path.extname(filename))
 
     with {:ok, pack} <- Pack.load_pack(pack_name),
-         {:ok, file} <- get_file(params["file"]),
+         {:ok, file} <- get_file(params[:file]),
          {:ok, pack} <- Pack.add_file(pack, shortcode, filename, file) do
       json(conn, pack.files)
     else
@@ -49,10 +49,10 @@ def create(%{body_params: params} = conn, %{name: pack_name}) do
     end
   end
 
-  def update(%{body_params: %{"shortcode" => shortcode} = params} = conn, %{name: pack_name}) do
-    new_shortcode = params["new_shortcode"]
-    new_filename = params["new_filename"]
-    force = params["force"]
+  def update(%{body_params: %{shortcode: shortcode} = params} = conn, %{name: pack_name}) do
+    new_shortcode = params[:new_shortcode]
+    new_filename = params[:new_filename]
+    force = params[:force]
 
     with {:ok, pack} <- Pack.load_pack(pack_name),
          {:ok, pack} <- Pack.update_file(pack, shortcode, new_shortcode, new_filename, force) do
@@ -128,9 +128,9 @@ defp handle_error(conn, {:error, error}, opts) do
   defp get_filename(%Plug.Upload{filename: filename}), do: filename
   defp get_filename(url) when is_binary(url), do: Path.basename(url)
 
-  defp get_file(%Plug.Upload{} = file), do: {:ok, file}
+  def get_file(%Plug.Upload{} = file), do: {:ok, file}
 
-  defp get_file(url) when is_binary(url) do
+  def get_file(url) when is_binary(url) do
     with {:ok, %Tesla.Env{body: body, status: code, headers: headers}}
          when code in 200..299 <- Pleroma.HTTP.get(url) do
       path = Plug.Upload.random_file!("emoji")