diff --git a/src/InputOutput/WSImpl/Params/DownloadImpl/WSInputOutputParamsDownloadClass.php b/src/InputOutput/WSImpl/Params/DownloadImpl/WSInputOutputParamsDownloadClass.php
index c02939f..cc3d655 100644
--- a/src/InputOutput/WSImpl/Params/DownloadImpl/WSInputOutputParamsDownloadClass.php
+++ b/src/InputOutput/WSImpl/Params/DownloadImpl/WSInputOutputParamsDownloadClass.php
@@ -37,7 +37,7 @@ class WSInputOutputParamsDownloadClass extends IHMInputOutputParamsAbstractClass
 				$downloadNode->setTimeFormat(RequestOutputDownloadTimeFormatEnum::ISO);
 				break;
 			case 'UNIXTIME' :
-				$downloadNode->setTimeFormat(RequestOutputDownloadTimeFormatEnum::TIMESTAMP);
+				$downloadNode->setTimeFormat(RequestOutputDownloadTimeFormatEnum::MS);
 				break;
 			default :
 				$downloadNode->setTimeFormat(RequestOutputDownloadTimeFormatEnum::ISO);
--
libgit2 0.21.2