diff --git a/converter-CellDesigner/src/main/java/lcsb/mapviewer/converter/model/celldesigner/structure/fields/LineProperties.java b/converter-CellDesigner/src/main/java/lcsb/mapviewer/converter/model/celldesigner/structure/fields/LineProperties.java
index dd45ccc521e788b58910614b20718933bc9b8cc7..6bb3b60a34f27cc8dfb46fbc741086b7b8d69c68 100644
--- a/converter-CellDesigner/src/main/java/lcsb/mapviewer/converter/model/celldesigner/structure/fields/LineProperties.java
+++ b/converter-CellDesigner/src/main/java/lcsb/mapviewer/converter/model/celldesigner/structure/fields/LineProperties.java
@@ -1,7 +1,8 @@
 package lcsb.mapviewer.converter.model.celldesigner.structure.fields;
 
-import java.awt.*;
+import java.awt.Color;
 
+import lcsb.mapviewer.common.geometry.ColorParser;
 import lcsb.mapviewer.model.graphics.PolylineData;
 
 /**
@@ -99,4 +100,9 @@ public class LineProperties {
     this.type = type;
   }
 
+  @Override
+  public String toString() {
+    return "[" + this.getClass().getSimpleName() + " w=" + width + "; c=" + new ColorParser().colorToHtml(color) + "]";
+  }
+
 }