diff --git a/sdk/jme3-gui/src/com/jme3/gde/gui/NiftyGuiDataObject.java b/sdk/jme3-gui/src/com/jme3/gde/gui/NiftyGuiDataObject.java
index e4633f75a..98c57c631 100644
--- a/sdk/jme3-gui/src/com/jme3/gde/gui/NiftyGuiDataObject.java
+++ b/sdk/jme3-gui/src/com/jme3/gde/gui/NiftyGuiDataObject.java
@@ -23,8 +23,8 @@ import org.openide.util.lookup.InstanceContent;
 import org.openide.util.lookup.ProxyLookup;
 
 public class NiftyGuiDataObject extends XmlMultiViewDataObject {
-    private static final int TYPE_TOOLBAR = 0;
 
+    private static final int TYPE_TOOLBAR = 0;
     protected final Lookup lookup;
     protected final InstanceContent lookupContents = new InstanceContent();
 
@@ -74,7 +74,12 @@ public class NiftyGuiDataObject extends XmlMultiViewDataObject {
 
     @Override
     protected DesignMultiViewDesc[] getMultiViewDesc() {
-        return new DesignMultiViewDesc[]{new PreviewView(this, TYPE_TOOLBAR)};
+        if (getLookup().lookup(ProjectAssetManager.class) == null) {
+            return new DesignMultiViewDesc[]{};
+        } else {
+
+            return new DesignMultiViewDesc[]{new PreviewView(this, TYPE_TOOLBAR)};
+        }
     }
 
     @Override