diff --git a/editor/src/messages/portfolio/portfolio_message_handler.rs b/editor/src/messages/portfolio/portfolio_message_handler.rs
index a862327b..95243fcb 100644
--- a/editor/src/messages/portfolio/portfolio_message_handler.rs
+++ b/editor/src/messages/portfolio/portfolio_message_handler.rs
@@ -8,6 +8,7 @@ use crate::messages::frontend::utility_types::FrontendDocumentDetails;
 use crate::messages::layout::utility_types::widget_prelude::*;
 use crate::messages::portfolio::document::node_graph::document_node_definitions::resolve_document_node_type;
 use crate::messages::portfolio::document::utility_types::clipboards::{Clipboard, CopyBufferEntry, INTERNAL_CLIPBOARD_COUNT};
+use crate::messages::portfolio::document::utility_types::nodes::SelectedNodes;
 use crate::messages::portfolio::document::DocumentMessageData;
 use crate::messages::preferences::SelectionMode;
 use crate::messages::prelude::*;
@@ -202,9 +203,14 @@ impl MessageHandler<PortfolioMessage, PortfolioMessageData<'_>> for PortfolioMes
 				};
 
 				let mut copy_val = |buffer: &mut Vec<CopyBufferEntry>| {
-					let ordered_last_elements = active_document.network_interface.shallowest_unique_layers(&[]);
+					let mut ordered_last_elements = active_document.network_interface.shallowest_unique_layers(&[]).collect::<Vec<_>>();
 
-					for layer in ordered_last_elements {
+					ordered_last_elements.sort_by_key(|layer| {
+						let Some(parent) = layer.parent(active_document.metadata()) else { return usize::MAX };
+						DocumentMessageHandler::get_calculated_insert_index(active_document.metadata(), &SelectedNodes(vec![layer.to_node()]), parent)
+					});
+
+					for layer in ordered_last_elements.into_iter() {
 						let layer_node_id = layer.to_node();
 
 						let mut copy_ids = HashMap::new();
diff --git a/editor/src/messages/tool/tool_messages/select_tool.rs b/editor/src/messages/tool/tool_messages/select_tool.rs
index 6b290c99..40e6d329 100644
--- a/editor/src/messages/tool/tool_messages/select_tool.rs
+++ b/editor/src/messages/tool/tool_messages/select_tool.rs
@@ -8,6 +8,7 @@ use crate::messages::portfolio::document::overlays::utility_types::OverlayContex
 use crate::messages::portfolio::document::utility_types::document_metadata::LayerNodeIdentifier;
 use crate::messages::portfolio::document::utility_types::misc::{AlignAggregate, AlignAxis, FlipAxis, GroupFolderType};
 use crate::messages::portfolio::document::utility_types::network_interface::{FlowType, NodeNetworkInterface, NodeTemplate};
+use crate::messages::portfolio::document::utility_types::nodes::SelectedNodes;
 use crate::messages::portfolio::document::utility_types::transformation::Selected;
 use crate::messages::preferences::SelectionMode;
 use crate::messages::tool::common_functionality::graph_modification_utils::{get_text, is_layer_fed_by_node_of_name};
@@ -374,7 +375,16 @@ impl SelectToolData {
 	fn start_duplicates(&mut self, document: &mut DocumentMessageHandler, responses: &mut VecDeque<Message>) {
 		self.non_duplicated_layers = Some(self.layers_dragging.clone());
 		let mut new_dragging = Vec::new();
-		for layer in document.network_interface.shallowest_unique_layers(&[]) {
+
+		// Get the shallowest unique layers and sort by their index relative to parent for ordered processing
+		let mut layers = document.network_interface.shallowest_unique_layers(&[]).collect::<Vec<_>>();
+
+		layers.sort_by_key(|layer| {
+			let Some(parent) = layer.parent(document.metadata()) else { return usize::MAX };
+			DocumentMessageHandler::get_calculated_insert_index(document.metadata(), &SelectedNodes(vec![layer.to_node()]), parent)
+		});
+
+		for layer in layers.into_iter().rev() {
 			let Some(parent) = layer.parent(document.metadata()) else { continue };
 
 			// Moves the layer back to its starting position.
@@ -400,7 +410,7 @@ impl SelectToolData {
 
 			let nodes = document.network_interface.copy_nodes(&copy_ids, &[]).collect::<Vec<(NodeId, NodeTemplate)>>();
 
-			let insert_index = DocumentMessageHandler::get_calculated_insert_index(document.metadata(), &document.network_interface.selected_nodes(&[]).unwrap(), parent);
+			let insert_index = DocumentMessageHandler::get_calculated_insert_index(document.metadata(), &SelectedNodes(vec![layer.to_node()]), parent);
 
 			let new_ids: HashMap<_, _> = nodes.iter().map(|(id, _)| (*id, NodeId::new())).collect();