diff --git a/src/NadekoBot/Modules/Administration/Commands/LocalizationCommands.cs b/src/NadekoBot/Modules/Administration/Commands/LocalizationCommands.cs
index 4200fafb..135a1da7 100644
--- a/src/NadekoBot/Modules/Administration/Commands/LocalizationCommands.cs
+++ b/src/NadekoBot/Modules/Administration/Commands/LocalizationCommands.cs
@@ -25,7 +25,7 @@ namespace NadekoBot.Modules.Administration
                 {"nl-NL", "Dutch, Netherlands"},
                 {"ja-JP", "Japanese, Japan"},
                 {"pt-BR", "Portuguese, Brazil"},
-                {"sr-cyrl-rs", "Serbian, Serbia - Cyrillic"}
+                {"sr-Cyrl-RS", "Serbian, Serbia - Cyrillic"}
             }.ToImmutableDictionary();
 
             [NadekoCommand, Usage, Description, Aliases]
diff --git a/src/NadekoBot/Resources/ResponseStrings.fr-fr.resx b/src/NadekoBot/Resources/ResponseStrings.fr-FR.resx
similarity index 100%
rename from src/NadekoBot/Resources/ResponseStrings.fr-fr.resx
rename to src/NadekoBot/Resources/ResponseStrings.fr-FR.resx
diff --git a/src/NadekoBot/Resources/ResponseStrings.sr-cyrl-rs.Designer.cs b/src/NadekoBot/Resources/ResponseStrings.sr-Cyrl-RS.Designer.cs
similarity index 100%
rename from src/NadekoBot/Resources/ResponseStrings.sr-cyrl-rs.Designer.cs
rename to src/NadekoBot/Resources/ResponseStrings.sr-Cyrl-RS.Designer.cs