diff --git a/src/InputOutput/IHMImpl/Tools/IHMPlotContextFileClass.php b/src/InputOutput/IHMImpl/Tools/IHMPlotContextFileClass.php
index 700b46a..c70c8e5 100644
--- a/src/InputOutput/IHMImpl/Tools/IHMPlotContextFileClass.php
+++ b/src/InputOutput/IHMImpl/Tools/IHMPlotContextFileClass.php
@@ -25,7 +25,7 @@ class IHMPlotContextFileClass {
 		$pageContext = array(
 			'startTime' => $pageNode->getAttribute('startTime'),
 			'stopTime'  => $pageNode->getAttribute('stopTime'),
-			'superposeMode' => ($pageNode->getAttribute('stopTime') == "true"),
+			'superposeMode' => ($pageNode->getAttribute('superposeMode') == "true"),
 			'ttName' => $pageNode->getAttribute('ttName'),
 			'ttIndex' => ($pageNode->getAttribute('ttIndex') == '') ? 0 : intval($pageNode->getAttribute('ttIndex')),
 			'ttNbIntervals' => ($pageNode->getAttribute('ttNbIntervals') == '') ? 0 : intval($pageNode->getAttribute('ttNbIntervals')),
--
libgit2 0.21.2