1 files changed, 1 insertions, 1 deletions

diff --git a/yang-compiler/src/main/java/org/onap/modeling/yangkit/compiler/plugin/yangtree/YangTreeGenerator.java b/yang-compiler/src/main/java/org/onap/modeling/yangkit/compiler/plugin/yangtree/YangTreeGenerator.java
index b5b5643..6561ab4 100644
--- a/yang-compiler/src/main/java/org/onap/modeling/yangkit/compiler/plugin/yangtree/YangTreeGenerator.java
+++ b/yang-compiler/src/main/java/org/onap/modeling/yangkit/compiler/plugin/yangtree/YangTreeGenerator.java
@@ -396,7 +396,7 @@ public class YangTreeGenerator implements YangCompilerPlugin {
             SchemaNodeContainer parent = dataNode.getClosestAncestorNode();
             if (parent instanceof YangList) {
                 YangList list = (YangList) parent;
-                if (list.getKey().getKeyNode(dataNode.getIdentifier()) != null) {
+                if (list.getKey() != null && list.getKey().getKeyNode(dataNode.getIdentifier()) != null) {
                     return true;
                 }
             }