diff --git a/src/public/app/services/import.ts b/src/public/app/services/import.ts
index 453449e3c..d33ad09fb 100644
--- a/src/public/app/services/import.ts
+++ b/src/public/app/services/import.ts
@@ -7,7 +7,7 @@ import { t } from "./i18n.js";
 
 interface UploadFilesOptions {
     safeImport?: boolean;
-    shrinkImages: "true" | "false";
+    shrinkImages: boolean | "true" | "false";
     textImportedAsText?: boolean;
     codeImportedAsCode?: boolean;
     explodeArchives?: boolean;