diff --git a/model/src/main/java/lcsb/mapviewer/model/map/species/Element.java b/model/src/main/java/lcsb/mapviewer/model/map/species/Element.java
index d9d3fa49bf8e86f347572e39cfed877615900aed..ceced71dafe8ef9bfb32ef79eb2d1f40c699feb1 100644
--- a/model/src/main/java/lcsb/mapviewer/model/map/species/Element.java
+++ b/model/src/main/java/lcsb/mapviewer/model/map/species/Element.java
@@ -1,11 +1,10 @@
 package lcsb.mapviewer.model.map.species;
 
-import java.awt.*;
+import java.awt.Color;
 import java.awt.geom.Point2D;
 import java.awt.geom.Rectangle2D;
 import java.io.Serializable;
 import java.util.*;
-import java.util.List;
 
 import javax.persistence.*;
 import javax.xml.bind.annotation.XmlTransient;
@@ -159,7 +158,7 @@ public abstract class Element implements BioEntity, Serializable, SbmlArgument {
    * Color of filling.
    */
   @Column(nullable = false)
-  private Color borderColor;
+  private Color borderColor = Color.BLACK;
 
   /**
    * From which level element should be visible.