diff --git a/scripts/fixSchemas.ts b/scripts/fixSchemas.ts
index f50785acf..7e1672b9d 100644
--- a/scripts/fixSchemas.ts
+++ b/scripts/fixSchemas.ts
@@ -42,7 +42,7 @@ function WalkScheme<T>(
         }
         const definitionName = ref.substr(prefix.length)
         if (isHandlingReference.indexOf(definitionName) >= 0) {
-            return
+            return []
         }
         const loadedScheme = fullScheme.definitions[definitionName]
         return WalkScheme(onEach, loadedScheme, fullScheme, path, [