diff --git a/install_minimal/upgrades/airtime-2.5.0/data/schema.sql b/install_minimal/upgrades/airtime-2.5.0/data/schema.sql
index 253021b24..a6424446c 100644
--- a/install_minimal/upgrades/airtime-2.5.0/data/schema.sql
+++ b/install_minimal/upgrades/airtime-2.5.0/data/schema.sql
@@ -31,7 +31,7 @@ CREATE TABLE cc_playout_history (
 	id integer DEFAULT nextval('cc_playout_history_id_seq'::regclass) NOT NULL,
 	file_id integer,
 	starts timestamp without time zone NOT NULL,
-	ends timestamp without time zone NOT NULL,
+	ends timestamp without time zone,
 	instance_id integer
 );