1 files changed, 2 insertions, 1 deletions
diff --git a/src/main/java/com/c2kernel/collection/Aggregation.java b/src/main/java/com/c2kernel/collection/Aggregation.java
index 4b2b429..6791b77 100644
--- a/src/main/java/com/c2kernel/collection/Aggregation.java
+++ b/src/main/java/com/c2kernel/collection/Aggregation.java
@@ -4,6 +4,7 @@ import com.c2kernel.common.ObjectNotFoundException;
 import com.c2kernel.graph.model.GraphModel;
 import com.c2kernel.graph.model.GraphPoint;
 import com.c2kernel.graph.model.TypeNameAndConstructionInfo;
+import com.c2kernel.graph.model.Vertex;
 import com.c2kernel.lookup.ItemPath;
 import com.c2kernel.persistency.ClusterStorage;
 import com.c2kernel.process.Gateway;
@@ -82,7 +83,7 @@ abstract public class Aggregation extends Collection<AggregationMember>
         aggMem.setProperties(props);
         aggMem.setClassProps(classProps);
         // create vertex
-        com.c2kernel.graph.model.Vertex vertex = new com.c2kernel.graph.model.Vertex();
+        Vertex vertex = new Vertex();
         vertex.setHeight(h); vertex.setWidth(w);
         mLayout.addVertexAndCreateId(vertex,location);
         aggMem.setCollection(this);