diff --git a/node-graph/graph-craft/src/proto.rs b/node-graph/graph-craft/src/proto.rs
index 3284183cf3..00d206defa 100644
--- a/node-graph/graph-craft/src/proto.rs
+++ b/node-graph/graph-craft/src/proto.rs
@@ -140,7 +140,7 @@ impl Default for ProtoNode {
 	fn default() -> Self {
 		Self {
 			identifier: graphene_core::ops::identity::IDENTIFIER,
-			construction_args: ConstructionArgs::Nodes(Vec::new()),
+			construction_args: ConstructionArgs::Value(value::TaggedValue::U32(0).into()),
 			call_argument: concrete!(()),
 			original_location: OriginalLocation::default(),
 			skip_deduplication: false,