HSQLDB apparently requires a default value when a column is marked NOT NULL and already exists

Change Set changelogs/db.changelog-1.1.xml::denormalize-statuses failed.
Error executing SQL ALTER TABLE FEEDENTRYSTATUSES ADD user_id BIGINT NOT NULL
default expression needed in statement [ALTER TABLE FEEDENTRYSTATUSES ADD user_id BIGINT NOT NULL]

src/main/resources/changelogs/db.changelog-1.1.xml

@@ -282,7 +282,7 @@
 	
 	<changeSet author="athou" id="denormalize-statuses">
 		<addColumn tableName="FEEDENTRYSTATUSES">
-			<column name="user_id" type="BIGINT">
+			<column name="user_id" type="BIGINT" defaultValue="1">
 				<constraints nullable="false" />
 			</column>
 			<column name="entryInserted" type="DATETIME" />