diff --git a/index.d.ts b/index.d.ts
index 6a4c98b79..f6d89c191 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -377,7 +377,7 @@ export interface IDeriveLinkedEntriesConfig {
   deriveEntryForLocale: (
     inputFields: ContentFields,
     locale: string
-  ) => { [field: string]: any };
+  ) => { [field: string]: any } | undefined;
 }
 
 /**