diff --git a/plugins/libplugin-pay.h b/plugins/libplugin-pay.h
index f01c9def7..448a00593 100644
--- a/plugins/libplugin-pay.h
+++ b/plugins/libplugin-pay.h
@@ -202,6 +202,10 @@ struct payment {
 	 * attempt. Modifiers need to leave failures alone once this is set to
 	 * true. Set only on the root payment. */
 	bool abort;
+
+	/* Serialized bolt11 string, kept attachd to the root so we can filter
+	 * by the invoice. */
+	const char *bolt11;
 };
 
 struct payment_modifier {
diff --git a/plugins/pay.c b/plugins/pay.c
index 1261f9d51..71df28dca 100644
--- a/plugins/pay.c
+++ b/plugins/pay.c
@@ -1780,6 +1780,7 @@ static struct command_result *json_paymod(struct command *cmd,
 				? tal_dup(p, struct secret, b11->payment_secret)
 				: NULL;
 	p->invoice = tal_steal(p, b11);
+	p->bolt11 = tal_steal(p, b11str);
 	payment_start(p);
 	list_add_tail(&payments, &p->list);