diff --git a/src/InputOutput/IHMImpl/Params/PlotImpl/IHMInputOutputParamsPlotClass.php b/src/InputOutput/IHMImpl/Params/PlotImpl/IHMInputOutputParamsPlotClass.php
index f75bab5..9d73dc0 100644
--- a/src/InputOutput/IHMImpl/Params/PlotImpl/IHMInputOutputParamsPlotClass.php
+++ b/src/InputOutput/IHMImpl/Params/PlotImpl/IHMInputOutputParamsPlotClass.php
@@ -819,7 +819,7 @@ class IHMInputOutputParamsPlotClass extends IHMInputOutputParamsAbstractClass
 
 			// xBinNumber 
 			$histogram1DNode->getBins()->addManual1DBins($paramData->{'param-drawing-object'}->{'histo1d-xbinnumber'}, 
-														($paramData->{'param-drawing-object'}->{'histo1d-style'} == "stares") ? FALSE:TRUE);
+														($paramData->{'param-drawing-object'}->{'histo1d-style'} == "stairs") ? FALSE:TRUE);
 
 			// histotype, function
 			$histogram1DNode->getHistotype()->set1DFunction($paramData->{'param-drawing-object'}->{'histo1d-function'});
diff --git a/src/Request/ParamsRequestImpl/Nodes/Requests/RequestOutputPlotHistogram1DSerieNodeClass.php b/src/Request/ParamsRequestImpl/Nodes/Requests/RequestOutputPlotHistogram1DSerieNodeClass.php
index 1f97323..895ea31 100644
--- a/src/Request/ParamsRequestImpl/Nodes/Requests/RequestOutputPlotHistogram1DSerieNodeClass.php
+++ b/src/Request/ParamsRequestImpl/Nodes/Requests/RequestOutputPlotHistogram1DSerieNodeClass.php
@@ -10,7 +10,7 @@ define ("REQUESTOUTPUTPLOTHISTOGRAM1DSERIE_COLOR", "color");
 define ("REQUESTOUTPUTPLOTBINS_NAME", "bins");
 define ("REQUESTOUTPUTPLOTBINS_MANUAL", "manual");
 define ("REQUESTOUTPUTPLOTBINS_XBINNUMBER", "xbinnumber");
-define ("REQUESTOUTPUTPLOTBINS_STARES", "stares");
+define ("REQUESTOUTPUTPLOTBINS_STAIRS", "stairs");
 
 define ("REQUESTOUTPUTPLOTHISTOTYPE_NAME", "histotype");
 define ("REQUESTOUTPUTPLOTHISTOTYPE_FUNCTION", "type");
@@ -27,7 +27,7 @@ class RequestOutputPlotBins1DNodeClass extends NodeClass
 		parent::__construct($name);
 	}
 
-	public function addManual1DBins($xBinNumber, $stares)
+	public function addManual1DBins($xBinNumber, $stairs)
 	{
 		$node = $this->getFirstChildByName(REQUESTOUTPUTPLOTBINS_MANUAL);
 		
@@ -38,7 +38,7 @@ class RequestOutputPlotBins1DNodeClass extends NodeClass
 		}
 		
 		$node->setAttribute(REQUESTOUTPUTPLOTBINS_XBINNUMBER, $xBinNumber);
-		$node->setAttribute(REQUESTOUTPUTPLOTBINS_STARES, $stares);
+		$node->setAttribute(REQUESTOUTPUTPLOTBINS_STAIRS, $stairs);
 		return $node;
 	}
 
--
libgit2 0.21.2