diff --git a/htdocs/core/db/pgsql.class.php b/htdocs/core/db/pgsql.class.php
index 7db45911c1e..5a9d47dc40c 100644
--- a/htdocs/core/db/pgsql.class.php
+++ b/htdocs/core/db/pgsql.class.php
@@ -211,7 +211,7 @@ class DoliDBPgsql extends DoliDB
 				$line = preg_replace('/tinyint/i', 'smallint', $line);
 
 				// nuke unsigned
-				$line = preg_replace('/(int\w+|smallint)\s+unsigned/i', '\\1', $line);
+				$line = preg_replace('/(int\w+|smallint|bigint)\s+unsigned/i', '\\1', $line);
 
 				// blob -> text
 				$line = preg_replace('/\w*blob/i', 'text', $line);