diff --git a/connections/jpa-liquibase/src/main/resources/META-INF/jpa-changelog-1.4.0.xml b/connections/jpa-liquibase/src/main/resources/META-INF/jpa-changelog-1.4.0.xml
index 312a1f9..e32a3c7 100755
--- a/connections/jpa-liquibase/src/main/resources/META-INF/jpa-changelog-1.4.0.xml
+++ b/connections/jpa-liquibase/src/main/resources/META-INF/jpa-changelog-1.4.0.xml
@@ -146,5 +146,11 @@
<column name="CREATED_TIMESTAMP" type="BIGINT"/>
<column name="SERVICE_ACCOUNT_CLIENT_LINK" type="VARCHAR(36)"/>
</addColumn>
+
+ <!-- Sybase specific hacks -->
+ <modifySql dbms="sybase">
+ <replace replace="[USER_ATTRIBUTE] DROP PRIMARY KEY" with="[USER_ATTRIBUTE] DROP CONSTRAINT CONSTRAINT_6" />
+ </modifySql>
+
</changeSet>
</databaseChangeLog>
