diff --git a/fs/sdcardfs/packagelist.c b/fs/sdcardfs/packagelist.c
index 66c6f8e72a02..947388294a07 100644
--- a/fs/sdcardfs/packagelist.c
+++ b/fs/sdcardfs/packagelist.c
@@ -659,6 +659,7 @@ static struct config_item *extension_details_make_item(struct config_group *grou
 		return ERR_PTR(-ENOMEM);
 	}
 	qstr_init(&extension_details->name, tmp);
+	extension_details->num = extensions_value->num;
 	ret = insert_ext_gid_entry(&extension_details->name, extensions_value->num);
 
 	if (ret) {