diff --git a/server/AyaNova/Controllers/LocaleController.cs b/server/AyaNova/Controllers/LocaleController.cs
index abf1af45..a351b334 100644
--- a/server/AyaNova/Controllers/LocaleController.cs
+++ b/server/AyaNova/Controllers/LocaleController.cs
@@ -418,6 +418,11 @@ namespace AyaNova.Api.Controllers
             [System.ComponentModel.DataAnnotations.Required]
             public List<string> Keys { get; set; }
 
+            public LocaleSubsetParam()
+            {
+                Keys = new List<string>();
+            }
+
         }
 
 #if (DEBUG)