diff --git a/Oqtane.Server/Infrastructure/LocalizationManager.cs b/Oqtane.Server/Infrastructure/LocalizationManager.cs
index b100893e..2051d2b5 100644
--- a/Oqtane.Server/Infrastructure/LocalizationManager.cs
+++ b/Oqtane.Server/Infrastructure/LocalizationManager.cs
@@ -42,7 +42,11 @@ namespace Oqtane.Infrastructure
             var cultures = new List<string>();
             foreach (var file in Directory.EnumerateFiles(Path.GetDirectoryName(Assembly.GetEntryAssembly().Location), $"*{Constants.SatelliteAssemblyExtension}", SearchOption.AllDirectories))
             {
-                cultures.Add(Path.GetFileName(Path.GetDirectoryName(file)));
+                var culture = Path.GetFileName(Path.GetDirectoryName(file));
+                if (!cultures.Contains(culture))
+                {
+                    cultures.Add(culture);
+                }
             }
             return cultures.OrderBy(c => c).ToArray();
         }