2 files changed, 20 insertions, 4 deletions
diff --git a/Emby.Server.Implementations/Localization/Core/ru.json b/Emby.Server.Implementations/Localization/Core/ru.json
index aa624f0e7..d27b1ca93 100644
--- a/Emby.Server.Implementations/Localization/Core/ru.json
+++ b/Emby.Server.Implementations/Localization/Core/ru.json
@@ -53,9 +53,9 @@
     "UserCreatedWithName": "\u041f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c {0} \u0431\u044b\u043b \u0441\u043e\u0437\u0434\u0430\u043d",
     "UserPasswordChangedWithName": "\u041f\u0430\u0440\u043e\u043b\u044c \u043f\u043e\u043b\u044c\u0437-\u043b\u044f {0} \u0431\u044b\u043b \u0438\u0437\u043c\u0435\u043d\u0451\u043d",
     "UserDeletedWithName": "\u041f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c {0} \u0431\u044b\u043b \u0443\u0434\u0430\u043b\u0451\u043d",
-    "UserConfigurationUpdatedWithName": "\u041a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u044f \u043f\u043e\u043b\u044c\u0437-\u043b\u044f {0} \u0431\u044b\u043b\u0430 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0430",
-    "MessageServerConfigurationUpdated": "\u041a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u044f \u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u0431\u044b\u043b\u0430 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0430",
-    "MessageNamedServerConfigurationUpdatedWithValue": "\u041a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u044f \u0441\u0435\u0440\u0432\u0435\u0440\u0430 (\u0440\u0430\u0437\u0434\u0435\u043b {0}) \u0431\u044b\u043b\u0430 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0430",
+    "UserConfigurationUpdatedWithName": "\u041a\u043e\u043d\u0444\u0438\u0433-\u0438\u044f \u043f\u043e\u043b\u044c\u0437-\u043b\u044f {0} \u0431\u044b\u043b\u0430 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0430",
+    "MessageServerConfigurationUpdated": "\u041a\u043e\u043d\u0444\u0438\u0433-\u0438\u044f \u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u0431\u044b\u043b\u0430 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0430",
+    "MessageNamedServerConfigurationUpdatedWithValue": "\u041a\u043e\u043d\u0444\u0438\u0433-\u0438\u044f \u0441\u0435\u0440\u0432\u0435\u0440\u0430 (\u0440\u0430\u0437\u0434\u0435\u043b {0}) \u0431\u044b\u043b\u0430 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0430",
     "MessageApplicationUpdated": "Emby Server \u0431\u044b\u043b \u043e\u0431\u043d\u043e\u0432\u043b\u0451\u043d",
     "FailedLoginAttemptWithUserName": "{0} - \u043f\u043e\u043f\u044b\u0442\u043a\u0430 \u0432\u0445\u043e\u0434\u0430 \u043d\u0435\u0443\u0434\u0430\u0447\u043d\u0430",
     "AuthenticationSucceededWithUserName": "{0} - \u0430\u0432\u0442\u043e\u0440\u0438\u0437\u0430\u0446\u0438\u044f \u0443\u0441\u043f\u0435\u0448\u043d\u0430",
diff --git a/Emby.Server.Implementations/Localization/LocalizationManager.cs b/Emby.Server.Implementations/Localization/LocalizationManager.cs
index 48df96289..650f388a1 100644
--- a/Emby.Server.Implementations/Localization/LocalizationManager.cs
+++ b/Emby.Server.Implementations/Localization/LocalizationManager.cs
@@ -319,6 +319,10 @@ namespace Emby.Server.Implementations.Localization
             {
                 culture = _configurationManager.Configuration.UICulture;
             }
+            if (string.IsNullOrWhiteSpace(culture))
+            {
+                culture = DefaultCulture;
+            }
 
             var dictionary = GetLocalizationDictionary(culture);
 
@@ -332,19 +336,31 @@ namespace Emby.Server.Implementations.Localization
             return phrase;
         }
 
+        const string DefaultCulture = "en-US";
+
         private readonly ConcurrentDictionary<string, Dictionary<string, string>> _dictionaries =
             new ConcurrentDictionary<string, Dictionary<string, string>>(StringComparer.OrdinalIgnoreCase);
 
         public Dictionary<string, string> GetLocalizationDictionary(string culture)
         {
+            if (string.IsNullOrWhiteSpace(culture))
+            {
+                throw new ArgumentNullException("culture");
+            }
+
             const string prefix = "Core";
             var key = prefix + culture;
 
-            return _dictionaries.GetOrAdd(key, k => GetDictionary(prefix, culture, "en-US.json"));
+            return _dictionaries.GetOrAdd(key, k => GetDictionary(prefix, culture, DefaultCulture + ".json"));
         }
 
         private Dictionary<string, string> GetDictionary(string prefix, string culture, string baseFilename)
         {
+            if (string.IsNullOrWhiteSpace(culture))
+            {
+                throw new ArgumentNullException("culture");
+            }
+
             var dictionary = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
 
             var namespaceName = GetType().Namespace + "." + prefix;