X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.scenegraph%2Fsrc%2Forg%2Fsimantics%2Fscenegraph%2FParentNode.java;h=510bbabb096ff7534f32ad56cfd37b5549058e4b;hp=976857afe1fbc85349a1bcb3e5869782ff5f9b48;hb=ceff53434e48f94c5d84ce12f3b1e21cabda457b;hpb=9bf20adbd213c9dff8aee036f5c2e5cff9e37baa

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() {