diff --git a/packages/netlify-cms-core/index.d.ts b/packages/netlify-cms-core/index.d.ts
index be4a3835d081..54ca3ec3dd99 100644
--- a/packages/netlify-cms-core/index.d.ts
+++ b/packages/netlify-cms-core/index.d.ts
@@ -122,6 +122,7 @@ declare module 'netlify-cms-core' {
 
     media_library?: CmsMediaLibrary;
     allow_multiple?: boolean;
+    choose_url?: boolean;
     config?: any;
   }
 
diff --git a/packages/netlify-cms-core/src/types/redux.ts b/packages/netlify-cms-core/src/types/redux.ts
index e00ad57246a8..07a155180418 100644
--- a/packages/netlify-cms-core/src/types/redux.ts
+++ b/packages/netlify-cms-core/src/types/redux.ts
@@ -129,6 +129,7 @@ export interface CmsFieldFileOrImage {
 
   media_library?: CmsMediaLibrary;
   allow_multiple?: boolean;
+  choose_url?: boolean;
   config?: unknown;
 }