diff --git a/html/fiche_csv.php b/html/fiche_csv.php
index 80dc159a8..434875620 100644
--- a/html/fiche_csv.php
+++ b/html/fiche_csv.php
@@ -35,7 +35,7 @@ if (  isset ($_REQUEST['with_amount']))  include_once("class_acc_account.php");
 $cn=DbConnect($gDossier);
 
 $rep=DbConnect();
-include ('class_user.php');
+require_once ('class_user.php');
 $User=new cl_user($rep);
 $User->Check();
 
diff --git a/html/form_csv.php b/html/form_csv.php
index 799d52173..003a060f1 100644
--- a/html/form_csv.php
+++ b/html/form_csv.php
@@ -24,8 +24,8 @@
 include_once("ac_common.php");
 include_once ("postgres.php");
 include ('class_user.php');
-include("class_rapport.php");
-include("impress_inc.php");
+require_once("class_rapport.php");
+require_once("impress_inc.php");
 header('Content-type: application/csv');
 header('Content-Disposition: attachment;filename="rapport.csv"',FALSE);
 require_once('class_dossier.php');
diff --git a/html/poste_csv.php b/html/poste_csv.php
index a4c777038..b7980ad1e 100644
--- a/html/poste_csv.php
+++ b/html/poste_csv.php
@@ -24,7 +24,7 @@
 include_once("ac_common.php");
 include_once ("postgres.php");
 include ('class_user.php');
-include("class_acc_account.php");
+require_once("class_acc_account.php");
 header('Content-type: application/csv');
 header('Content-Disposition: attachment;filename="poste.csv"',FALSE);
 require_once('class_dossier.php');
diff --git a/html/poste_pdf.php b/html/poste_pdf.php
index 4f5cc1ca8..2812ec0c2 100644
--- a/html/poste_pdf.php
+++ b/html/poste_pdf.php
@@ -28,7 +28,7 @@ include_once("ac_common.php");
 include_once("postgres.php");
 include_once("class.ezpdf.php");
 include_once("impress_inc.php");
-include("poste.php");
+require_once("poste.php");
 require_once ('header_print.php');
 require_once('class_dossier.php');
 $gDossier=dossier::id();
diff --git a/html/quick_code_csv.php b/html/quick_code_csv.php
index 5e839b3d5..9b72603aa 100644
--- a/html/quick_code_csv.php
+++ b/html/quick_code_csv.php
@@ -24,7 +24,7 @@
 include_once("ac_common.php");
 include_once ("postgres.php");
 include ('class_user.php');
-include("class_fiche.php");
+require_once("class_fiche.php");
 header('Content-type: application/csv');
 header('Content-Disposition: attachment;filename="poste.csv"',FALSE);
 require_once('class_dossier.php');
diff --git a/html/recherche.php b/html/recherche.php
index 26df1a1cd..81285d753 100644
--- a/html/recherche.php
+++ b/html/recherche.php
@@ -20,7 +20,7 @@
 // Copyright Author Dany De Bontridder ddebontridder@yahoo.fr
 require_once('class_dossier.php');
 include_once("ac_common.php");
-include("user_menu.php");
+require_once("user_menu.php");
 include_once ("constant.php");
 include_once("jrn.php");
 include_once("user_common.php");
diff --git a/html/send_poste_pdf.php b/html/send_poste_pdf.php
index 9c57710da..45e12c90b 100644
--- a/html/send_poste_pdf.php
+++ b/html/send_poste_pdf.php
@@ -29,7 +29,7 @@
     include_once("postgres.php");
     include_once("class.ezpdf.php");
     include_once("impress_inc.php");
-include("poste.php");
+require_once("poste.php");
     echo_debug('send_poste_pdf.php',__LINE__,"imp pdf journaux");
     $cn=DbConnect($g_dossier);
 foreach ($_POST as $key=>$element) {
diff --git a/include/import_inc.php b/include/import_inc.php
index 4a1c9c968..f79170a72 100644
--- a/include/import_inc.php
+++ b/include/import_inc.php
@@ -53,7 +53,7 @@ StartSql($p_cn);
 
         
 // include the right format for CSV --> given by the <form
-		include($p_format_csv);
+		require_once($p_format_csv);
 
         
 	echo "Importation terminée.";
diff --git a/include/impress_jrn.inc.php b/include/impress_jrn.inc.php
index 2fa12a38b..13b8b8159 100644
--- a/include/impress_jrn.inc.php
+++ b/include/impress_jrn.inc.php
@@ -32,7 +32,7 @@ $gDossier=dossier::id();
 // after in pdf or cvs
 //-----------------------------------------------------
 if ( isset( $_POST['bt_html'] ) ) {
-include("class_acc_ledger.php");
+require_once("class_acc_ledger.php");
  $p_cent=( isset ( $_POST['cent']) )?'on':'off';
   // $POST=from_periode, to_periode, jrn_id, cent
  $d=var_export($_POST,true);
diff --git a/include/impress_poste.inc.php b/include/impress_poste.inc.php
index 98d88ff79..42df8fc67 100644
--- a/include/impress_poste.inc.php
+++ b/include/impress_poste.inc.php
@@ -33,7 +33,7 @@ include_once("class_widget.php");
 // after in pdf or cvs
 //-----------------------------------------------------
 if ( isset( $_POST['bt_html'] ) ) {
-  include("class_acc_account.php");
+  require_once("class_acc_account.php");
   $go=0;
 // we ask a poste_id
   if ( strlen(trim($_POST['poste_id'])) != 0 && isNumber($_POST['poste_id']) )
diff --git a/include/impress_rapport.inc.php b/include/impress_rapport.inc.php
index 83ed9af92..902b44d43 100644
--- a/include/impress_rapport.inc.php
+++ b/include/impress_rapport.inc.php
@@ -32,7 +32,7 @@ include_once("class_widget.php");
 // after in pdf or cvs
 //-----------------------------------------------------
 if ( isset( $_GET['bt_html'] ) ) {
-  include("class_rapport.php");
+  require_once("class_rapport.php");
   $Form=new rapport($cn,$_GET['form_id']);
   $Form->get_name();
   // step asked ?
diff --git a/include/user_action_ach.php b/include/user_action_ach.php
index a02db288d..e1c7ad80b 100644
--- a/include/user_action_ach.php
+++ b/include/user_action_ach.php
@@ -396,5 +396,5 @@ if ( $action == 'search' ) {
   }
   echo '</DIV>'; 
 }
-include("user_update.php");
+require_once("user_update.php");
 ?>
diff --git a/include/user_action_fin.php b/include/user_action_fin.php
index ad56419a8..a8ec45c7c 100644
--- a/include/user_action_fin.php
+++ b/include/user_action_fin.php
@@ -301,7 +301,7 @@ if ( $action == 'solde' ) {
   echo "</div>";
  }
 //-----------------------------------------------------
-include("user_update.php");
+require_once("user_update.php");
 
 
 ?>
diff --git a/include/user_action_ods.php b/include/user_action_ods.php
index 345ed2c2a..fdcb03f69 100644
--- a/include/user_action_ods.php
+++ b/include/user_action_ods.php
@@ -288,5 +288,5 @@ if ( $action == 'search' ) {
   }
   echo '</DIV>'; 
 }
-include("user_update.php");
+require_once("user_update.php");
 ?>
diff --git a/include/user_action_ven.php b/include/user_action_ven.php
index 184ddf73b..afe78d027 100644
--- a/include/user_action_ven.php
+++ b/include/user_action_ven.php
@@ -373,5 +373,5 @@ if ( $action == 'voir_jrn_non_paye' ) {
     echo '</div>';
 }
 
-include("user_update.php");
+require_once("user_update.php");
 ?>