diff --git a/src/export/packer/next-compiler.ts b/src/export/packer/next-compiler.ts
index 5f6b8183b0..275dd953d7 100644
--- a/src/export/packer/next-compiler.ts
+++ b/src/export/packer/next-compiler.ts
@@ -181,7 +181,7 @@ export class Compiler {
                 path: "[Content_Types].xml",
             },
             CustomProperties: {
-                data: xml(this.formatter.format(file.CustomProperties, file), prettify),
+                data: xml(this.formatter.format(file.CustomProperties, file.Document), prettify),
                 path: "docProps/custom.xml",
             },
             AppProperties: {