diff --git a/html/backup.php b/html/backup.php
index f2a751fbd..e49464bbf 100644
--- a/html/backup.php
+++ b/html/backup.php
@@ -56,10 +56,20 @@ if ( isset ($_REQUEST['sa']) )
     if ( $sa=='b')
     {
         $cmd=escapeshellcmd (PG_DUMP);
-        putenv("PGPASSWORD=".noalyss_password);
-        putenv("PGUSER=".noalyss_user);
-	putenv("PGHOST=".noalyss_psql_host);
-	putenv("PGPORT=".noalyss_psql_port);
+        if ( defined ("noalyss_user"))
+        {
+            putenv("PGPASSWORD=".noalyss_password);
+            putenv("PGUSER=".noalyss_user);
+            putenv("PGHOST=".noalyss_psql_host);
+            putenv("PGPORT=".noalyss_psql_port);
+        }else if (defined ("phpcompta_user"))
+        {
+            putenv("PGPASSWORD=".phpcompta_password);
+            putenv("PGUSER=".phpcompta_user);
+            putenv("PGHOST=".phpcompta_psql_host);
+            putenv("PGPORT=".phpcompta_psql_port);
+        }
+        
         if ( $_REQUEST['t'] == 'd' )
         {
             $database=domaine."dossier".$_REQUEST['d'];
diff --git a/include/class_database.php b/include/class_database.php
index cdb5d9647..70bfc78e8 100644
--- a/include/class_database.php
+++ b/include/class_database.php
@@ -42,9 +42,9 @@ class Database
     function __construct ($p_database_id=0,$p_type='dos')
     {
         if ( IsNumber($p_database_id) == false || strlen($p_database_id) > 5 ) 	die ("-->Dossier invalide [$p_database_id]");
-        $noalyss_user=noalyss_user;
-        $password=noalyss_password;
-        $port=noalyss_psql_port;
+        $noalyss_user=(defined ("noalyss_user"))?noalyss_user:phpcompta_user;
+        $password=(defined("noalyss_password"))?noalyss_password:phpcompta_password;
+        $port=(defined("noalyss_psql_port"))?noalyss_psql_port:phpcompta_psql_port;
         $host=( ! defined ("noalyss_psql_host"))?'127.0.0.1':noalyss_psql_host;
 		if (defined ("MULTI") && MULTI=="0") {
 			 $noalyss_user = noalyss_user;
diff --git a/include/restore.inc.php b/include/restore.inc.php
index 153f3b2d6..ab96f3f45 100644
--- a/include/restore.inc.php
+++ b/include/restore.inc.php
@@ -31,10 +31,19 @@ if ( isset ($_REQUEST['sa'] ))
         putenv("PATH=".PG_PATH);
 
     $cmd=escapeshellcmd (PG_RESTORE);
-    putenv("PGPASSWORD=".noalyss_password);
-    putenv("PGUSER=".noalyss_user);
-    putenv("PGPORT=".noalyss_psql_port);
-	putenv("PGHOST=").noalyss_psql_host;
+    if (defined("noalyss_user"))
+    {
+        putenv("PGPASSWORD=" . noalyss_password);
+        putenv("PGUSER=" . noalyss_user);
+        putenv("PGHOST=" . noalyss_psql_host);
+        putenv("PGPORT=" . noalyss_psql_port);
+    } else if (defined("phpcompta_user"))
+    {
+        putenv("PGPASSWORD=" . phpcompta_password);
+        putenv("PGUSER=" . phpcompta_user);
+        putenv("PGHOST=" . phpcompta_psql_host);
+        putenv("PGPORT=" . phpcompta_psql_port);
+    }
 
     $retour='<hr>'.HtmlInput::button_anchor("Retour","?action=restore");
     if ( ! isset($_REQUEST['t']))