diff --git a/src/deleted-to-trash-plugin.c b/src/deleted-to-trash-plugin.c
index bb4cc78..66bad53 100644
--- a/src/deleted-to-trash-plugin.c
+++ b/src/deleted-to-trash-plugin.c
@@ -82,6 +82,7 @@ static struct mailbox *mailbox_open_or_create(struct mailbox_list *list, const c
 	*error_r = mail_storage_get_last_error(mailbox_get_storage(box), &error);
 	if (error != MAIL_ERROR_NOTFOUND)
 	{
+		i_error("%s", *error_r);
 		mailbox_free(&box);
 		return NULL;
 	}