diff --git a/lib/remote_translations/microsoft/available_locales.rb b/lib/remote_translations/microsoft/available_locales.rb
index 21ebf05cd..2bc39d2e3 100644
--- a/lib/remote_translations/microsoft/available_locales.rb
+++ b/lib/remote_translations/microsoft/available_locales.rb
@@ -6,29 +6,32 @@ require "json"
 class RemoteTranslations::Microsoft::AvailableLocales
   def self.available_locales
     daily_cache("locales") do
-      remote_available_locales.map(&:first)
+      remote_available_locales.map { |locale| remote_locale_to_app_locale(locale) }
     end
   end
 
-  def self.parse_locale(locale)
-    case locale
-    when :"pt-BR"
-      :pt
-    when :"zh-CN"
-      :"zh-Hans"
-    when :"zh-TW"
-      :"zh-Hant"
-    else
-      locale
-    end
+  def self.app_locale_to_remote_locale(locale)
+    app_locale_to_remote_locale_map[locale] || locale
   end
 
   def self.include_locale?(locale)
-    available_locales.include?(parse_locale(locale).to_s)
+    available_locales.include?(locale.to_s)
   end
 
   private
 
+    def self.remote_locale_to_app_locale(locale)
+      app_locale_to_remote_locale_map.invert[locale] || locale
+    end
+
+    def self.app_locale_to_remote_locale_map
+      {
+        "pt-BR" => "pt",
+        "zh-CN" => "zh-Hans",
+        "zh-TW" => "zh-Hant"
+      }
+    end
+
     def self.remote_available_locales
       host = "https://api.cognitive.microsofttranslator.com"
       path = "/languages?api-version=3.0"
@@ -44,7 +47,7 @@ class RemoteTranslations::Microsoft::AvailableLocales
 
       result = response.body.force_encoding("utf-8")
 
-      JSON.parse(result)["translation"]
+      JSON.parse(result)["translation"].map(&:first)
     end
 
     def self.daily_cache(key, &block)
diff --git a/lib/remote_translations/microsoft/client.rb b/lib/remote_translations/microsoft/client.rb
index cbe856de3..ad17adccd 100644
--- a/lib/remote_translations/microsoft/client.rb
+++ b/lib/remote_translations/microsoft/client.rb
@@ -5,7 +5,7 @@ class RemoteTranslations::Microsoft::Client
 
   def call(fields_values, locale)
     texts = prepare_texts(fields_values)
-    valid_locale = RemoteTranslations::Microsoft::AvailableLocales.parse_locale(locale)
+    valid_locale = RemoteTranslations::Microsoft::AvailableLocales.app_locale_to_remote_locale(locale)
     request_translation(texts, valid_locale)
   end
 
diff --git a/spec/components/layout/remote_translations_button_component_spec.rb b/spec/components/layout/remote_translations_button_component_spec.rb
index a427b4a64..541a57835 100644
--- a/spec/components/layout/remote_translations_button_component_spec.rb
+++ b/spec/components/layout/remote_translations_button_component_spec.rb
@@ -5,7 +5,7 @@ describe Layout::RemoteTranslationsButtonComponent do
   let(:component) { Layout::RemoteTranslationsButtonComponent.new(translations) }
 
   before do
-    allow(RemoteTranslations::Microsoft::AvailableLocales).to receive(:available_locales)
+    allow(RemoteTranslations::Microsoft::AvailableLocales).to receive(:remote_available_locales)
                                                           .and_return(%w[de en es fr pt zh-Hans])
   end
 
diff --git a/spec/lib/remote_translations/microsoft/available_locales_spec.rb b/spec/lib/remote_translations/microsoft/available_locales_spec.rb
new file mode 100644
index 000000000..421ef606a
--- /dev/null
+++ b/spec/lib/remote_translations/microsoft/available_locales_spec.rb
@@ -0,0 +1,13 @@
+require "rails_helper"
+
+describe RemoteTranslations::Microsoft::AvailableLocales do
+  describe ".available_locales" do
+    it "includes locales with the same format as I18n.available_locales" do
+      allow(RemoteTranslations::Microsoft::AvailableLocales).to receive(:remote_available_locales)
+                                                            .and_return(%w[de en es fr pt zh-Hans])
+
+      available_locales = RemoteTranslations::Microsoft::AvailableLocales.available_locales
+      expect(available_locales).to eq %w[de en es fr pt-BR zh-CN]
+    end
+  end
+end
diff --git a/spec/models/remote_translation_spec.rb b/spec/models/remote_translation_spec.rb
index ce8508898..8ce808ce5 100644
--- a/spec/models/remote_translation_spec.rb
+++ b/spec/models/remote_translation_spec.rb
@@ -49,6 +49,16 @@ describe RemoteTranslation, :remote_translations do
     expect(remote_translation).to be_valid
   end
 
+  it "is valid with a locale that uses a different name in the remote service" do
+    allow(RemoteTranslations::Microsoft::AvailableLocales).to receive(:available_locales).and_call_original
+    allow(RemoteTranslations::Microsoft::AvailableLocales).to receive(:remote_available_locales)
+                                                          .and_return(["pt"])
+
+    remote_translation.locale = :"pt-BR"
+
+    expect(remote_translation).to be_valid
+  end
+
   describe "#enqueue_remote_translation", :delay_jobs do
     it "after create enqueue Delayed Job" do
       expect { remote_translation.save }.to change { Delayed::Job.count }.by(1)