diff --git a/src/utils/default.ts b/src/utils/default.ts
index f71f21d..7b99101 100644
--- a/src/utils/default.ts
+++ b/src/utils/default.ts
@@ -94,6 +94,7 @@ export const DEFAULT_CONFIG: IConfiguration = {
     }
   ],
   AvailableSymbols: [],
+  Categories: [],
   Patterns: [],
   MainContainer: {
     Type: 'Container',