diff --git a/htdocs/projet/tasks/list.php b/htdocs/projet/tasks/list.php
index 8ffbcf7d609..26e6a6f17ac 100644
--- a/htdocs/projet/tasks/list.php
+++ b/htdocs/projet/tasks/list.php
@@ -522,6 +522,54 @@ if ($search_emonth) {
 if ($search_eyear) {
 	$param .= '&search_eyear='.urlencode($search_eyear);
 }
+if ($search_date_start_startmonth) {
+	$param .= '&search_date_start_startmonth='.urlencode($search_date_start_startmonth);
+}
+if ($search_date_start_startyear) {
+	$param .= '&search_date_start_startyear='.urlencode($search_date_start_startyear);
+}
+if ($search_date_start_startday) {
+	$param .= '&search_date_start_startday='.urlencode($search_date_start_startday);
+}
+if ($search_date_start_start) {
+	$param .= '&search_date_start_start='.urlencode($search_date_start_start);
+}
+if ($search_date_start_endmonth) {
+	$param .= '&search_date_start_endmonth='.urlencode($search_date_start_endmonth);
+}
+if ($search_date_start_endyear) {
+	$param .= '&search_date_start_endyear='.urlencode($search_date_start_endyear);
+}
+if ($search_date_start_endday) {
+	$param .= '&search_date_start_endday='.urlencode($search_date_start_endday);
+}
+if ($search_date_start_end) {
+	$param .= '&search_date_start_end='.urlencode($search_date_start_end);
+}
+if ($search_date_end_startmonth) {
+	$param .= '&search_date_end_startmonth='.urlencode($search_date_end_startmonth);
+}
+if ($search_date_end_startyear) {
+	$param .= '&search_date_end_startyear='.urlencode($search_date_end_startyear);
+}
+if ($search_date_end_startday) {
+	$param .= '&search_date_end_startday='.urlencode($search_date_end_startday);
+}
+if ($search_date_end_start) {
+	$param .= '&search_date_end_start='.urlencode($search_date_end_start);
+}
+if ($search_date_end_endmonth) {
+	$param .= '&search_date_end_endmonth='.urlencode($search_date_end_endmonth);
+}
+if ($search_date_end_endyear) {
+	$param .= '&search_date_end_endyear='.urlencode($search_date_end_endyear);
+}
+if ($search_date_end_endday) {
+	$param .= '&search_date_end_endday='.urlencode($search_date_end_endday);
+}
+if ($search_date_end_end) {
+	$param .= '&search_date_end_end=' . urlencode($search_date_end_end);
+}
 if ($socid) {
 	$param .= '&socid='.urlencode($socid);
 }