diff --git a/src/InputOutput/WSImpl/Params/PlotImpl/WSInputOutputParamsPlotClass.php b/src/InputOutput/WSImpl/Params/PlotImpl/WSInputOutputParamsPlotClass.php
index 0a64798..dc94392 100644
--- a/src/InputOutput/WSImpl/Params/PlotImpl/WSInputOutputParamsPlotClass.php
+++ b/src/InputOutput/WSImpl/Params/PlotImpl/WSInputOutputParamsPlotClass.php
@@ -29,8 +29,6 @@ class WSInputOutputParamsPlotClass extends IHMInputOutputParamsAbstractClass
 	protected function unmarshallRequest($input)
 	{
 		//Request
-		$requestIndexInParamData = 0;
-
 		$postProcessCmd = "";
 	 
 		$requestNode = $this->paramsData->addRequestNode();
@@ -38,7 +36,7 @@ class WSInputOutputParamsPlotClass extends IHMInputOutputParamsAbstractClass
 		$paramsNode  = $requestNode->getParamsNode();
 
 		//unmarshall time definition
-		$this->unmarshallTimeDefinition($input, $tabRequestIndex-1, $requestIndexInParamData);
+		$this->unmarshallTimeDefinition($input, 0);
 	
 		$plotOutputNode = $outputsNode->addNewOutput(RequestOutputTypeEnum::PLOT);
 		$plotOutputNode->setWriteContextFile("false");
--
libgit2 0.21.2