diff --git a/VisualizationModule/src/org/gephi/visualization/VizModel.java b/VisualizationModule/src/org/gephi/visualization/VizModel.java
index 95b7b2de9..c3d3c8380 100644
--- a/VisualizationModule/src/org/gephi/visualization/VizModel.java
+++ b/VisualizationModule/src/org/gephi/visualization/VizModel.java
@@ -90,8 +90,10 @@ public void init() {
         SwingUtilities.invokeLater(new Runnable() {
 
             public void run() {
-                for (PropertyChangeListener l : listeners) {
-                    l.propertyChange(evt);
+                if (listeners != null) {
+                    for (PropertyChangeListener l : listeners) {
+                        l.propertyChange(evt);
+                    }
                 }
             }
         });
diff --git a/nbproject/private/private.xml b/nbproject/private/private.xml
index cc2c0e57c..c1f155a78 100644
--- a/nbproject/private/private.xml
+++ b/nbproject/private/private.xml
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project-private xmlns="http://www.netbeans.org/ns/project-private/1">
-    <editor-bookmarks xmlns="http://www.netbeans.org/ns/editor-bookmarks/1"/>
-</project-private>
+<?xml version="1.0" encoding="UTF-8"?>
+<project-private xmlns="http://www.netbeans.org/ns/project-private/1">
+    <editor-bookmarks xmlns="http://www.netbeans.org/ns/editor-bookmarks/1"/>
+</project-private>