diff --git a/htdocs/opensurvey/results.php b/htdocs/opensurvey/results.php
index d8405c31027..7d68f54023b 100644
--- a/htdocs/opensurvey/results.php
+++ b/htdocs/opensurvey/results.php
@@ -37,7 +37,7 @@ if (empty($user->rights->opensurvey->read)) {
 
 // Init vars
 $action = GETPOST('action', 'aZ09');
-$numsondage = GETPOST("id");
+$numsondage = GETPOST("id", 'alphanohtml');
 
 $object = new Opensurveysondage($db);
 $result = $object->fetch(0, $numsondage);
@@ -53,8 +53,8 @@ $nblines = $object->fetch_lines();
  */
 
 // Return to the results
-if (GETPOST('retoursondage')) {
-	header('Location: results.php?id='.(GETPOSTISSET('id_sondage') ? GETPOST('id_sondage', 'aZ09') : GETPOST('id', 'int')));
+if (GETPOST('cancel')) {
+	header('Location: results.php?id='.(GETPOSTISSET('id_sondage') ? GETPOST('id_sondage', 'aZ09') : GETPOST('id', 'alphanohtml')));
 	exit;
 }
 
@@ -427,6 +427,7 @@ $title = $object->title." - ".$langs->trans('Card');
 $helpurl = '';
 $arrayofjs = array();
 $arrayofcss = array('/opensurvey/css/style.css');
+
 llxHeader('', $title, $helpurl, 0, 0, 0, $arrayofjs, $arrayofcss);
 
 
@@ -443,6 +444,7 @@ $toutsujet = str_replace("°", "'", $toutsujet);
 
 print '<form name="formulaire4" action="#" method="POST">'."\n";
 print '<input type="hidden" name="token" value="'.newToken().'">';
+print '<input type="hidden" name="id" value="'.GETPOST('id').'">';
 
 $head = opensurvey_prepare_head($object);
 
@@ -508,7 +510,6 @@ print '<div class="underbanner clearboth"></div>';
 
 print '<table class="border tableforfield centpercent">';
 
-
 // Expire date
 print '<tr><td>'.$langs->trans('ExpireDate').'</td><td>';
 if ($action == 'edit') {
@@ -575,9 +576,11 @@ if (GETPOST('ajoutsujet')) {
 		accessforbidden();
 	}
 
-	print '<form name="formulaire" action="" method="POST">'."\n";
+	print '<form name="formulaire" action="'.$_SERVER["PHP_SELF"].'" method="POST">'."\n";
 	print '<input type="hidden" name="token" value="'.newToken().'">';
 	print '<input type="hidden" name="backtopage" value="'.GETPOST('backtopage', 'alpha').'">';
+	print '<input type="hidden" name="id" value="'.GETPOST('id', 'alpha').'">';
+	print '<input type="hidden" name="ajoutsujet" value="1">';
 
 	print '<div class="center">'."\n";
 	print "<br><br>\n";
@@ -591,7 +594,7 @@ if (GETPOST('ajoutsujet')) {
 		print '<input type="submit" class="button" name="ajoutercolonne" value="'.dol_escape_htmltag($langs->trans("Add")).'">';
 		print '<input type="hidden" name="id_sondage" value="'.dol_escape_htmltag($object->id_sondage).'">';
 		print ' &nbsp; &nbsp; ';
-		print '<input type="submit" class="button button-cancel" name="retoursondage" value="'.dol_escape_htmltag($langs->trans("Cancel")).'">';
+		print '<input type="submit" class="button button-cancel" name="cancel" value="'.dol_escape_htmltag($langs->trans("Cancel")).'">';
 		print '<br><br>'."\n";
 	} else {
 		require_once DOL_DOCUMENT_ROOT.'/core/class/html.formother.class.php';
@@ -644,7 +647,7 @@ if (GETPOST('ajoutsujet')) {
 		print '<br><br>';
 		print' <input type="submit" class="button" name="ajoutercolonne" value="'.dol_escape_htmltag($langs->trans("Add")).'">'."\n";
 		print '&nbsp; &nbsp;';
-		print '<input type="submit" class="button button-cancel" name="retoursondage" value="'.$langs->trans("Cancel").'">';
+		print '<input type="submit" class="button button-cancel" name="cancel" value="'.$langs->trans("Cancel").'">';
 	}
 
 	print '</form>'."\n";
@@ -757,10 +760,10 @@ if ($object->format == "D") {
 		} else {
 			$next = intval($toutsujet[$i + 1]);
 		}
-		if ($next && dol_print_date($cur, "%a %e") == dol_print_date($next, "%a %e") && dol_print_date($cur, "%B") == dol_print_date($next, "%B")) {
+		if ($next && dol_print_date($cur, "%a %d") == dol_print_date($next, "%a %d") && dol_print_date($cur, "%B") == dol_print_date($next, "%B")) {
 			$colspan++;
 		} else {
-			print '<td colspan='.$colspan.' class="jour">'.dol_print_date($cur, "%a %e").'</td>'."\n";
+			print '<td colspan='.$colspan.' class="jour">'.dol_print_date($cur, "%a %d").'</td>'."\n";
 
 			$colspan = 1;
 		}
diff --git a/htdocs/public/opensurvey/studs.php b/htdocs/public/opensurvey/studs.php
index 34f8ecd9400..b3459f7e36e 100644
--- a/htdocs/public/opensurvey/studs.php
+++ b/htdocs/public/opensurvey/studs.php
@@ -424,10 +424,10 @@ if ($object->format == "D") {
 		} else {
 			$next = intval($toutsujet[$i + 1]);
 		}
-		if ($next && dol_print_date($cur, "%a %e") == dol_print_date($next, "%a %e") && dol_print_date($cur, "%B") == dol_print_date($next, "%B")) {
+		if ($next && dol_print_date($cur, "%a %d") == dol_print_date($next, "%a %d") && dol_print_date($cur, "%B") == dol_print_date($next, "%B")) {
 			$colspan++;
 		} else {
-			print '<td colspan="'.$colspan.'" class="jour">'.dol_print_date($cur, "%a %e").'</td>'."\n";
+			print '<td colspan="'.$colspan.'" class="jour">'.dol_print_date($cur, "%a %d").'</td>'."\n";
 			$colspan = 1;
 		}
 	}