diff --git a/Dockerfile b/Dockerfile
index b3c4a927c..3fbbcdc14 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -47,10 +47,11 @@ COPY config config
 RUN mix deps.get --only prod
 RUN mix deps.compile --only prod
 
-COPY vendor vendor
+COPY vendor/language_tool/priv/ vendor/language_tool/priv/
 RUN cd ./vendor/language_tool/priv/native/languagetool && ./gradlew shadowJar
 RUN cp ./vendor/language_tool/priv/native/languagetool/app/build/libs/language-tool.jar priv/native/language-tool.jar
 
+COPY vendor vendor
 COPY lib lib
 
 RUN mix compile --only prod
diff --git a/vendor/language_tool/lib/language_tool/backend.ex b/vendor/language_tool/lib/language_tool/backend.ex
index 4dde0138d..e1b28a39f 100644
--- a/vendor/language_tool/lib/language_tool/backend.ex
+++ b/vendor/language_tool/lib/language_tool/backend.ex
@@ -82,17 +82,29 @@ defmodule LanguageTool.Backend do
   end
 
   defp process_check(process, lang, text) do
-    lang = sanitize_lang(lang)
-    Exile.Process.write(process, IO.iodata_to_binary([String.pad_trailing(lang, 7), text, "\n"]))
+    write_process(process, lang, text)
 
-    with {:ok, data} <- Exile.Process.read(process),
+    with {:ok, data} <- read_process_until_result(process),
          {:ok, data} <- Jason.decode(data) do
       data
     else
-      _ -> nil
+      _ ->
+        nil
+    end
+  end
+
+  defp read_process_until_result(process) do
+    case Exile.Process.read(process) do
+      {:ok, "\n"} -> read_process_until_result(process)
+      result -> result
     end
   end
 
+  defp write_process(process, lang, text) do
+    lang = sanitize_lang(lang)
+    Exile.Process.write(process, IO.iodata_to_binary([String.pad_trailing(lang, 7), text, "\n"]))
+  end
+
   defp sanitize_lang(lang) do
     if lang === "en" do
       "en-US"