diff --git a/db_scripts/base/4063.down b/db_scripts/base/4063.down
index 1434a6a5..098d845c 100644
--- a/db_scripts/base/4063.down
+++ b/db_scripts/base/4063.down
@@ -1 +1 @@
-UPDATE provisioning.voip_preferences SET data_type = 'int', modify_timestamp='1970-01-01 00:00:00' where attribute = 'lock';
+UPDATE provisioning.voip_preferences SET data_type = 'int' where attribute = 'lock';
diff --git a/db_scripts/base/4063.up b/db_scripts/base/4063.up
index cea36658..494b537d 100644
--- a/db_scripts/base/4063.up
+++ b/db_scripts/base/4063.up
@@ -1 +1 @@
-UPDATE provisioning.voip_preferences SET data_type = 'string' where attribute = 'lock';
+UPDATE provisioning.voip_preferences SET data_type = 'string', modify_timestamp='1970-01-01 00:00:00' where attribute = 'lock';