diff --git a/docs/upgrades/upgrade_7.5.2-7.5.3.pl b/docs/upgrades/upgrade_7.5.2-7.5.3.pl
index 2d8909d4d..c1a6eaace 100644
--- a/docs/upgrades/upgrade_7.5.2-7.5.3.pl
+++ b/docs/upgrades/upgrade_7.5.2-7.5.3.pl
@@ -38,6 +38,7 @@ addPaymentDrivers($session);
 convertTransactionLog($session);
 upgradeEMS($session);
 migrateOldProduct($session);
+mergeProductsWithCommerce($session);
 
 finish($session); # this line required
 
@@ -446,6 +447,16 @@ sub migrateOldProduct {
     return;
 }
 
+#-------------------------------------------------
+sub mergeProductsWithCommerce {
+	my $session = shift;
+	print "\tMerge old Commerce Products to new SKU based Products.\n" unless ($quiet);
+    ## Add the parameter and variants columns
+	$session->db->write("alter table Product add column parameters mediumtext");
+	$session->db->write("alter table Product add column variants   mediumtext");
+    return 1;
+}
+
 #-------------------------------------------------
 sub insertCommercePayDriverTable {
 	my $session = shift;