diff --git a/db/db.sql b/db/db.sql
index 2cb5415f5..781196b4b 100644
--- a/db/db.sql
+++ b/db/db.sql
@@ -1382,7 +1382,7 @@ ALTER TABLE promocodes
 ADD UNIQUE INDEX code (code)   ; 
 
 CREATE TABLE custacc (
-  ca_id int(11) NOT NULL AUTO_INCREMENT,
+  ca_id bigint(20) NOT NULL AUTO_INCREMENT,
   customer_id int(11) NOT NULL,
   document_id int(11) DEFAULT NULL,
   optype int(11) DEFAULT NULL,
diff --git a/db/update/update6100to6110.sql b/db/update/update6100to6110.sql
index 4cd4e8c2f..29a620f37 100644
--- a/db/update/update6100to6110.sql
+++ b/db/update/update6100to6110.sql
@@ -92,7 +92,7 @@ FROM ((store_stock st
 
     
 CREATE TABLE custacc (
-  ca_id int(11) NOT NULL AUTO_INCREMENT,
+  ca_id bigint(20) NOT NULL AUTO_INCREMENT,
   customer_id int(11) NOT NULL,
   document_id int(11) DEFAULT NULL,
   optype int(11) DEFAULT NULL,