diff --git a/node/src/main/resources/migration/vault-schema.changelog-master.xml b/node/src/main/resources/migration/vault-schema.changelog-master.xml
index a993718e77..d1b1cd6f3d 100644
--- a/node/src/main/resources/migration/vault-schema.changelog-master.xml
+++ b/node/src/main/resources/migration/vault-schema.changelog-master.xml
@@ -10,5 +10,6 @@
     <include file="migration/vault-schema.changelog-v5.xml"/>
     <include file="migration/vault-schema.changelog-v6.xml"/>
     <include file="migration/vault-schema.changelog-pkey-swap.xml"/>
+    <include file="migration/vault-schema.changelog-v7.xml"/>
 
 </databaseChangeLog>
diff --git a/node/src/main/resources/migration/vault-schema.changelog-v7.xml b/node/src/main/resources/migration/vault-schema.changelog-v7.xml
new file mode 100644
index 0000000000..8f159da83e
--- /dev/null
+++ b/node/src/main/resources/migration/vault-schema.changelog-v7.xml
@@ -0,0 +1,9 @@
+<?xml version="1.1" encoding="UTF-8" standalone="no"?>
+<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+                   xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.5.xsd">
+    <!-- Enterprise only check: for standalone databases the field was always nullable, run the changeset for H2 database only. -->
+    <changeSet author="R3.Corda" id="make_issuer_ref_nullable" dbms="h2">
+        <dropNotNullConstraint columnDataType="varbinary(512)" columnName="issuer_ref" tableName="vault_fungible_states"/>
+    </changeSet>
+</databaseChangeLog>
\ No newline at end of file