diff --git a/OpenVBX/config/database-sample.php b/OpenVBX/config/database-sample.php
index 2b7c7dd5..cdcc8e90 100644
--- a/OpenVBX/config/database-sample.php
+++ b/OpenVBX/config/database-sample.php
@@ -46,6 +46,7 @@
 $db["default"]["database"] = "OpenVBX";
 $db["default"]["dbdriver"] = "mysql";
 $db["default"]["dbprefix"] = "";
+$db["default"]["swap_pre"] = "{PRE}";
 $db["default"]["pconnect"] = TRUE;
 $db["default"]["db_debug"] = TRUE;
 $db["default"]["cache_on"] = FALSE;
diff --git a/updates/47.sql b/updates/47.sql
index c0746078..7d72aca0 100644
--- a/updates/47.sql
+++ b/updates/47.sql
@@ -1,2 +1,2 @@
-UPDATE `settings` SET `value` = '0.91' WHERE `name` = 'version';
-UPDATE `settings` SET `value` = 47 WHERE `name` = 'schema-version';
+UPDATE `{PRE}settings` SET `value` = '0.91' WHERE `name` = 'version';
+UPDATE `{PRE}settings` SET `value` = 47 WHERE `name` = 'schema-version';
diff --git a/updates/48.sql b/updates/48.sql
index 69a1ed38..2ecd9872 100644
--- a/updates/48.sql
+++ b/updates/48.sql
@@ -1,2 +1,2 @@
-UPDATE `settings` SET `value` = '0.92' WHERE `name` = 'version';
-UPDATE `settings` SET `value` = 48 WHERE `name` = 'schema-version';
+UPDATE `{PRE}settings` SET `value` = '0.92' WHERE `name` = 'version';
+UPDATE `{PRE}settings` SET `value` = 48 WHERE `name` = 'schema-version';
diff --git a/updates/51.sql b/updates/51.sql
index 011171d8..26c50bb4 100644
--- a/updates/51.sql
+++ b/updates/51.sql
@@ -1,2 +1,2 @@
-UPDATE `settings` SET `value` = '1.0.2' WHERE `name` = 'version';
-UPDATE `settings` SET `value` = 51 WHERE `name` = 'schema-version';
\ No newline at end of file
+UPDATE `{PRE}settings` SET `value` = '1.0.2' WHERE `name` = 'version';
+UPDATE `{PRE}settings` SET `value` = 51 WHERE `name` = 'schema-version';
\ No newline at end of file
diff --git a/updates/52.sql b/updates/52.sql
index af4f06ca..35930849 100644
--- a/updates/52.sql
+++ b/updates/52.sql
@@ -1,2 +1,2 @@
-UPDATE `settings` SET `value` = '1.0.3' WHERE `name` = 'version';
-UPDATE `settings` SET `value` = 52 WHERE `name` = 'schema-version';
\ No newline at end of file
+UPDATE `{PRE}settings` SET `value` = '1.0.3' WHERE `name` = 'version';
+UPDATE `{PRE}settings` SET `value` = 52 WHERE `name` = 'schema-version';
\ No newline at end of file