diff --git a/app/models/config.py b/app/models/config.py
index a4fac6a..cfcb3c7 100644
--- a/app/models/config.py
+++ b/app/models/config.py
@@ -10,13 +10,13 @@ class Config:
                 return bool(int(val))
             return False
 
-        app_config = current_app.config
+        self.app_config = current_app.config
         self.url = os.getenv('WHOOGLE_CONFIG_URL', '')
         self.lang_search = os.getenv('WHOOGLE_CONFIG_SEARCH_LANGUAGE', '')
         self.lang_interface = os.getenv('WHOOGLE_CONFIG_LANGUAGE', '')
         self.style = os.getenv(
             'WHOOGLE_CONFIG_STYLE',
-            open(os.path.join(app_config['STATIC_FOLDER'],
+            open(os.path.join(self.app_config['STATIC_FOLDER'],
                               'css/variables.css')).read())
         self.block = os.getenv('WHOOGLE_CONFIG_BLOCK', '')
         self.ctry = os.getenv('WHOOGLE_CONFIG_COUNTRY', '')
@@ -77,14 +77,15 @@ class Config:
 
         return key in self.safe_keys
 
-    def get_interface_lang(self):
+    def get_localization_lang(self):
         """Returns the correct language to use for localization, but falls
         back to english if not set.
 
         Returns:
-            str -- the interface language string
+            str -- the localization language string
         """
-        if self.lang_interface:
+        if (self.lang_interface and
+                self.lang_interface in self.app_config['TRANSLATIONS']):
             return self.lang_interface
 
         return 'lang_en'
diff --git a/app/routes.py b/app/routes.py
index 0919c6a..4409901 100644
--- a/app/routes.py
+++ b/app/routes.py
@@ -131,7 +131,7 @@ def index():
                            languages=app.config['LANGUAGES'],
                            countries=app.config['COUNTRIES'],
                            translation=app.config['TRANSLATIONS'][
-                               g.user_config.get_interface_lang()
+                               g.user_config.get_localization_lang()
                            ],
                            logo=render_template(
                                'logo.html',
@@ -239,7 +239,7 @@ def search():
         search_type=search_util.search_type,
         config=g.user_config,
         translation=app.config['TRANSLATIONS'][
-            g.user_config.get_interface_lang()
+            g.user_config.get_localization_lang()
         ],
         response=response,
         version_number=app.config['VERSION_NUMBER'],
diff --git a/app/static/settings/languages.json b/app/static/settings/languages.json
index 0a5e5c8..7056afa 100644
--- a/app/static/settings/languages.json
+++ b/app/static/settings/languages.json
@@ -1,49 +1,49 @@
 [
   {"name": "-------", "value": ""},
   {"name": "English", "value": "lang_en"},
-  {"name": "Afrikaans", "value": "lang_af"},
-  {"name": "Arabic", "value": "lang_ar"},
-  {"name": "Armenian", "value": "lang_hy"},
-  {"name": "Belarusian", "value": "lang_be"},
-  {"name": "Bulgarian", "value": "lang_bg"},
-  {"name": "Catalan", "value": "lang_ca"},
-  {"name": "Chinese (Simplified)", "value": "lang_zh-CN"},
-  {"name": "Chinese (Traditional)", "value": "lang_zh-TW"},
-  {"name": "Croatian", "value": "lang_hr"},
-  {"name": "Czech", "value": "lang_cs"},
-  {"name": "Danish", "value": "lang_da"},
-  {"name": "Dutch", "value": "lang_nl"},
-  {"name": "Esperanto", "value": "lang_eo"},
-  {"name": "Estonian", "value": "lang_et"},
-  {"name": "Filipino", "value": "lang_tl"},
-  {"name": "Finnish", "value": "lang_fi"},
-  {"name": "French", "value": "lang_fr"},
-  {"name": "German", "value": "lang_de"},
-  {"name": "Greek", "value": "lang_el"},
-  {"name": "Hebrew", "value": "lang_iw"},
-  {"name": "Hindi", "value": "lang_hi"},
-  {"name": "Hungarian", "value": "lang_hu"},
-  {"name": "Icelandic", "value": "lang_is"},
-  {"name": "Indonesian", "value": "lang_id"},
-  {"name": "Italian", "value": "lang_it"},
-  {"name": "Japanese", "value": "lang_ja"},
-  {"name": "Korean", "value": "lang_ko"},
-  {"name": "Latvian", "value": "lang_lv"},
-  {"name": "Lithuanian", "value": "lang_lt"},
-  {"name": "Norwegian", "value": "lang_no"},
-  {"name": "Persian", "value": "lang_fa"},
-  {"name": "Polish", "value": "lang_pl"},
-  {"name": "Portuguese", "value": "lang_pt"},
-  {"name": "Romanian", "value": "lang_ro"},
-  {"name": "Russian", "value": "lang_ru"},
-  {"name": "Serbian", "value": "lang_sr"},
-  {"name": "Slovak", "value": "lang_sk"},
-  {"name": "Slovenian", "value": "lang_sl"},
-  {"name": "Spanish", "value": "lang_es"},
-  {"name": "Swahili", "value": "lang_sw"},
-  {"name": "Swedish", "value": "lang_sv"},
-  {"name": "Thai", "value": "lang_th"},
-  {"name": "Turkish", "value": "lang_tr"},
-  {"name": "Ukrainian", "value": "lang_uk"},
-  {"name": "Vietnamese", "value": "lang_vi"}
+  {"name": "Afrikaans (Afrikaans)", "value": "lang_af"},
+  {"name": "Arabic (عربى)", "value": "lang_ar"},
+  {"name": "Armenian (հայերեն)", "value": "lang_hy"},
+  {"name": "Belarusian (Беларуская)", "value": "lang_be"},
+  {"name": "Bulgarian (български)", "value": "lang_bg"},
+  {"name": "Catalan (Català)", "value": "lang_ca"},
+  {"name": "Chinese, Simplified (简体中文)", "value": "lang_zh-CN"},
+  {"name": "Chinese, Traditional (繁体中文)", "value": "lang_zh-TW"},
+  {"name": "Croatian (Hrvatski)", "value": "lang_hr"},
+  {"name": "Czech (čeština)", "value": "lang_cs"},
+  {"name": "Danish (Dansk)", "value": "lang_da"},
+  {"name": "Dutch (Nederlands)", "value": "lang_nl"},
+  {"name": "Esperanto (Esperanto)", "value": "lang_eo"},
+  {"name": "Estonian (Eestlane)", "value": "lang_et"},
+  {"name": "Filipino (Pilipino)", "value": "lang_tl"},
+  {"name": "Finnish (Suomalainen)", "value": "lang_fi"},
+  {"name": "French (Français)", "value": "lang_fr"},
+  {"name": "German (Deutsche)", "value": "lang_de"},
+  {"name": "Greek (Ελληνικά)", "value": "lang_el"},
+  {"name": "Hebrew (עִברִית)", "value": "lang_iw"},
+  {"name": "Hindi (हिंदी)", "value": "lang_hi"},
+  {"name": "Hungarian (Magyar)", "value": "lang_hu"},
+  {"name": "Icelandic (Íslenska)", "value": "lang_is"},
+  {"name": "Indonesian (Indonesian)", "value": "lang_id"},
+  {"name": "Italian (Italiano)", "value": "lang_it"},
+  {"name": "Japanese (日本語)", "value": "lang_ja"},
+  {"name": "Korean (한국어)", "value": "lang_ko"},
+  {"name": "Latvian (Latvietis)", "value": "lang_lv"},
+  {"name": "Lithuanian (Lietuvis)", "value": "lang_lt"},
+  {"name": "Norwegian (Norwegian)", "value": "lang_no"},
+  {"name": "Persian (فارسی)", "value": "lang_fa"},
+  {"name": "Polish (Polskie)", "value": "lang_pl"},
+  {"name": "Portugese (Português)", "value": "lang_pt"},
+  {"name": "Romanian (Română)", "value": "lang_ro"},
+  {"name": "Russian (русский)", "value": "lang_ru"},
+  {"name": "Serbian (Српски)", "value": "lang_sr"},
+  {"name": "Slovak (Slovák)", "value": "lang_sk"},
+  {"name": "Slovenian (Slovenščina)", "value": "lang_sl"},
+  {"name": "Spanish (Español)", "value": "lang_es"},
+  {"name": "Swahili (Kiswahili)", "value": "lang_sw"},
+  {"name": "Swedish (Svenska)", "value": "lang_sv"},
+  {"name": "Thai (ไทย)", "value": "lang_th"},
+  {"name": "Turkish (Türk)", "value": "lang_tr"},
+  {"name": "Ukranian (Український)", "value": "lang_uk"},
+  {"name": "Vietnamese (Tiếng Việt)", "value": "lang_vi"}
 ]