diff --git a/php/classes/TimeTableMgr.php b/php/classes/TimeTableMgr.php
index b0adb01..90ef368 100644
--- a/php/classes/TimeTableMgr.php
+++ b/php/classes/TimeTableMgr.php
@@ -405,9 +405,10 @@ class TimeTableMgr extends AmdaObjectMgr
 		$objTT->created = null;
 		$objTT->history = $obj->history;
 		for ($iId = 0; $iId < count($start); $iId++) {
-			$inter = new stdClass();
-			$inter->start = $start[$iId];
-			$inter->stop = $stop[$iId];
+			$inter = array(
+				'start' => $start[$iId],
+				'stop' => $stop[$iId],
+			);
 			$objTT->intervals[] = $inter;
 		}
 		$objTT->nbIntervals = count($start);
@@ -603,9 +604,10 @@ class TimeTableMgr extends AmdaObjectMgr
 			$objTT->created = null;
 			$objTT->history = $obj->history;
 			for ($iId = 0; $iId < count($start); $iId++) {
-				$inter = new stdClass();
-				$inter->start = $start[$iId];
-				$inter->stop = $stop[$iId];
+				$inter = array(
+					'start' => $start[$iId],
+					'stop' => $stop[$iId],
+				);
 				$objTT->intervals[] = $inter;
 			}
 			$objTT->nbIntervals = count($start);
--
libgit2 0.21.2