diff --git a/node-graph/graph-craft/src/document.rs b/node-graph/graph-craft/src/document.rs
index 6ef88e9992..59fae3a1c3 100644
--- a/node-graph/graph-craft/src/document.rs
+++ b/node-graph/graph-craft/src/document.rs
@@ -791,7 +791,12 @@ impl NodeNetwork {
 			node.implementation = identity_node;
 
 			// Connect layer node to the group below
-			node.inputs.drain(1..);
+			if node.inputs.len() > 1 {
+				node.inputs.drain(1..);
+			} else if node.inputs.is_empty() {
+				node.inputs.push(NodeInput::value(TaggedValue::None, false));
+			}
+
 			node.call_argument = concrete!(());
 			self.nodes.insert(id, node);
 			return;