diff --git a/htdocs/lib/databases/pgsql.lib.php b/htdocs/lib/databases/pgsql.lib.php
index f0906c17822..52221356e73 100644
--- a/htdocs/lib/databases/pgsql.lib.php
+++ b/htdocs/lib/databases/pgsql.lib.php
@@ -241,6 +241,7 @@ class DoliDb
                 {
                     $line = "-- ".$line." replaced by --\n";
                     $newreg3=$reg[3];
+                    $newreg3=preg_replace('/ DEFAULT NULL/i','',$newreg3);
                     $newreg3=preg_replace('/ NOT NULL/i','',$newreg3);
                     $newreg3=preg_replace('/ NULL/i','',$newreg3);
                     $newreg3=preg_replace('/ DEFAULT 0/i','',$newreg3);