X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.scenegraph%2Fsrc%2Forg%2Fsimantics%2Fscenegraph%2FParentNode.java;h=510bbabb096ff7534f32ad56cfd37b5549058e4b;hb=e8b96542ea305825ae4dbf7c35f11275689ef564;hp=976857afe1fbc85349a1bcb3e5869782ff5f9b48;hpb=1e2054286ceb10165f941ed7f57b60892cf86a6a;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/ParentNode.java b/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/ParentNode.java
index 976857afe..510bbabb0 100644
--- a/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/ParentNode.java
+++ b/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/ParentNode.java
@@ -241,7 +241,7 @@ public abstract class ParentNode<T extends INode> extends Node {
      */
     @SuppressWarnings("unchecked")
     public Collection<T> getNodes() {
-        return (Collection<T>) children.values();
+        return children.isEmpty() ? Collections.emptyList() : (Collection<T>) children.values();
     }
 
     public int getNodeCount() {