diff --git a/src/Models/ThemeConfig/Json/LayerConfigJson.ts b/src/Models/ThemeConfig/Json/LayerConfigJson.ts
index 17c02d392e..a291d79bfa 100644
--- a/src/Models/ThemeConfig/Json/LayerConfigJson.ts
+++ b/src/Models/ThemeConfig/Json/LayerConfigJson.ts
@@ -633,11 +633,11 @@ export interface LayerConfigJson {
      * Who created this theme?
      * Set by studio
      */
-    credits: string
+    credits?: string
     /**
      * group: hidden
      * Who created this theme?
      * Set by studio
      */
-    "credits:uid":number
+    "credits:uid"?:number
 }