diff --git a/designer_chart/src/com/fr/design/mainframe/chart/gui/style/series/LineSeriesPane.java b/designer_chart/src/com/fr/design/mainframe/chart/gui/style/series/LineSeriesPane.java
index 0a16c2b2a8..b370e36609 100644
--- a/designer_chart/src/com/fr/design/mainframe/chart/gui/style/series/LineSeriesPane.java
+++ b/designer_chart/src/com/fr/design/mainframe/chart/gui/style/series/LineSeriesPane.java
@@ -110,8 +110,8 @@ public class LineSeriesPane extends AbstractPlotSeriesPane{
 		if(plot instanceof LinePlot) {
 			LinePlot linePlot = (LinePlot)plot;
 			linePlot.setCurve(isCurve.isSelected());
-			linePlot.setNullValueBreak(isNullValueBreak.getSelectedIndex() == 0);
 		}
+		plot.setNullValueBreak(isNullValueBreak.getSelectedIndex() == 0);
 		ConditionAttr attrList = plot.getConditionCollection().getDefaultAttr();
 		updateAttrCondition(attrList);
 	}