diff --git a/src/ParamOutputImpl/Plot/PanelPlotOutput.cc b/src/ParamOutputImpl/Plot/PanelPlotOutput.cc
index 7e4a009..8ef9b9c 100644
--- a/src/ParamOutputImpl/Plot/PanelPlotOutput.cc
+++ b/src/ParamOutputImpl/Plot/PanelPlotOutput.cc
@@ -2109,13 +2109,12 @@ void PanelPlotOutput::writeContext(ContextFileWriter &writer, AMDA::Parameters::
 				{
 					TimeTableCatalog::Catalog inputTTOrCat;
 					inputTTOrCat.read(ttOrCatPath, lReaderType);
-					writer.startElement("intervals");
 
 					for (std::vector<TimeTableCatalog::TimeInterval>::const_iterator it = inputTTOrCat.getIntervals().begin(); it != inputTTOrCat.getIntervals().end(); ++it)
 					{
 						if (it->_startTime >= currentTimeInterval->_startTime && it->_stopTime <= currentTimeInterval->_stopTime) // inside the interval
 						{
-							writer.startElement("interval");
+							writer.startElement("intervals");
 							writer.addAttribute("name", inputTTOrCat._name.c_str());
 							writer.addAttribute("id", std::to_string(it->_index).c_str());
 							writer.addAttribute("startTime", std::to_string(it->_startTime).c_str());
@@ -2124,7 +2123,7 @@ void PanelPlotOutput::writeContext(ContextFileWriter &writer, AMDA::Parameters::
 						}
 						else if (it->_startTime <= currentTimeInterval->_startTime && it->_stopTime <= currentTimeInterval->_stopTime && it->_stopTime >= currentTimeInterval->_startTime) // begins before, ends inside
 						{
-							writer.startElement("interval");
+							writer.startElement("intervals");
 							writer.addAttribute("name", inputTTOrCat._name.c_str());
 							writer.addAttribute("id", std::to_string(it->_index).c_str());
 							writer.addAttribute("startTime", std::to_string(currentTimeInterval->_startTime).c_str());
@@ -2133,7 +2132,7 @@ void PanelPlotOutput::writeContext(ContextFileWriter &writer, AMDA::Parameters::
 						}
 						else if (it->_startTime >= currentTimeInterval->_startTime && it->_startTime <= currentTimeInterval->_stopTime && it->_stopTime >= currentTimeInterval->_stopTime) // begins inside, ends after
 						{
-							writer.startElement("interval");
+							writer.startElement("intervals");
 							writer.addAttribute("name", inputTTOrCat._name.c_str());
 							writer.addAttribute("id", std::to_string(it->_index).c_str());
 							writer.addAttribute("startTime", std::to_string(it->_startTime).c_str());
@@ -2141,7 +2140,6 @@ void PanelPlotOutput::writeContext(ContextFileWriter &writer, AMDA::Parameters::
 							writer.endElement();
 						}
 					}
-					writer.endElement();
 				}
 			}
 		}
--
libgit2 0.21.2