diff --git a/include/config_file.php b/include/config_file.php
index 9e2a45371..12891321f 100644
--- a/include/config_file.php
+++ b/include/config_file.php
@@ -116,6 +116,8 @@ function config_file_create($p_array,$from_setup=1,$os=1) {
   fputs($hFile,"\n\r");
   fputs($hFile, 'define ("phpcompta_psql_port","'.$cport.'");');
   fputs($hFile,"\n\r");
+  fputs($hFile, 'define ("phpcompta_psql_host","127.0.0.1");');
+  fputs($hFile,"\n\r");
   fputs($hFile, 'define ("domaine","");');
   fputs($hFile,"\n\r");
   fputs($hFile,'?>');
diff --git a/include/postgres.php b/include/postgres.php
index e4faeaf8f..a3a5866a3 100644
--- a/include/postgres.php
+++ b/include/postgres.php
@@ -101,8 +101,9 @@ function DbConnect($p_db=-1,$p_type='dossier') {
   $phpcompta_user=phpcompta_user;
   $password=phpcompta_password;
   $port=phpcompta_psql_port;
+  $host=( ! defined ("phpcompta_psql_host"))?'127.0.0.1':phpcompta_psql_host;
   ob_start();
- $a=pg_connect("dbname=$l_dossier host=127.0.0.1 user='$phpcompta_user'
+  $a=pg_connect("dbname=$l_dossier host='$host' user='$phpcompta_user'
 password='$password' port=$port");
 
   if ( $a == false )
@@ -115,6 +116,7 @@ password='$password' port=$port");
 	echo "Domaine : ".domaine."<br>";
   	echo "Port $port <br>";
   	echo "Utilisateur : $phpcompta_user <br>";
+  	echo "host : $host <br>";
 
   	exit ("Connection impossible : v&eacute;rifiez vos param&egrave;tres de base
 de donn&eacute;es");