1 files changed, 6 insertions, 0 deletions
diff --git a/src/main/java/org/zwobble/couscous/ast/InstanceOfNode.java b/src/main/java/org/zwobble/couscous/ast/InstanceOfNode.java
index 21f823b..d36e909 100644
--- a/src/main/java/org/zwobble/couscous/ast/InstanceOfNode.java
+++ b/src/main/java/org/zwobble/couscous/ast/InstanceOfNode.java
@@ -5,6 +5,7 @@ import org.zwobble.couscous.ast.visitors.NodeTransformer;
 import org.zwobble.couscous.types.ScalarType;
 import org.zwobble.couscous.types.Type;
 import org.zwobble.couscous.types.Types;
+import org.zwobble.couscous.util.ExtraIterables;
 
 public class InstanceOfNode implements ExpressionNode {
     private final ExpressionNode left;
@@ -34,6 +35,11 @@ public class InstanceOfNode implements ExpressionNode {
     }
 
     @Override
+    public Iterable<? extends Node> childNodes() {
+        return ExtraIterables.of(left);
+    }
+
+    @Override
     public ExpressionNode transform(NodeTransformer transformer) {
         return new InstanceOfNode(
             transformer.transformExpression(left),