diff --git a/src/lib/litegraph/src/LGraph.ts b/src/lib/litegraph/src/LGraph.ts
index 04f2a4a4fe..486831e136 100644
--- a/src/lib/litegraph/src/LGraph.ts
+++ b/src/lib/litegraph/src/LGraph.ts
@@ -1571,8 +1571,21 @@ export class LGraph
 
     // Inputs, outputs, and links
     const links = internalLinks.map((x) => x.asSerialisable())
-    const inputs = mapSubgraphInputsAndLinks(resolvedInputLinks, links)
-    const outputs = mapSubgraphOutputsAndLinks(resolvedOutputLinks, links)
+
+    const internalReroutes = new Map([...reroutes].map((r) => [r.id, r]))
+    const externalReroutes = new Map(
+      [...this.reroutes].filter(([id]) => !internalReroutes.has(id))
+    )
+    const inputs = mapSubgraphInputsAndLinks(
+      resolvedInputLinks,
+      links,
+      internalReroutes
+    )
+    const outputs = mapSubgraphOutputsAndLinks(
+      resolvedOutputLinks,
+      links,
+      externalReroutes
+    )
 
     // Prepare subgraph data
     const data = {
@@ -1714,10 +1727,10 @@ export class LGraph
     // Reconnect output links in parent graph
     i = 0
     for (const [, connections] of outputsGroupedByOutput.entries()) {
-      // Special handling: Subgraph output node
       i++
       for (const connection of connections) {
         const { input, inputNode, link, subgraphOutput } = connection
+        // Special handling: Subgraph output node
         if (link.target_id === SUBGRAPH_OUTPUT_ID) {
           link.origin_id = subgraphNode.id
           link.origin_slot = i - 1
@@ -2013,33 +2026,50 @@ export class LGraph
         while (parentId) {
           instance.parentId = parentId
           instance = this.reroutes.get(parentId)
-          if (!instance) throw new Error('Broken Id link when unpacking')
+          if (!instance) {
+            console.error('Broken Id link when unpacking')
+            break
+          }
           if (instance.linkIds.has(linkInstance.id))
             throw new Error('Infinite parentId loop')
           instance.linkIds.add(linkInstance.id)
           parentId = instance.parentId
         }
       }
+      if (!instance) continue
       parentId = newLink.iparent
       while (parentId) {
         const migratedId = rerouteIdMap.get(parentId)
-        if (!migratedId) throw new Error('Broken Id link when unpacking')
+        if (!migratedId) {
+          console.error('Broken Id link when unpacking')
+          break
+        }
         instance.parentId = migratedId
         instance = this.reroutes.get(migratedId)
-        if (!instance) throw new Error('Broken Id link when unpacking')
+        if (!instance) {
+          console.error('Broken Id link when unpacking')
+          break
+        }
         if (instance.linkIds.has(linkInstance.id))
           throw new Error('Infinite parentId loop')
         instance.linkIds.add(linkInstance.id)
         const oldReroute = subgraphNode.subgraph.reroutes.get(parentId)
-        if (!oldReroute) throw new Error('Broken Id link when unpacking')
+        if (!oldReroute) {
+          console.error('Broken Id link when unpacking')
+          break
+        }
         parentId = oldReroute.parentId
       }
+      if (!instance) break
       if (!newLink.externalFirst) {
         parentId = newLink.eparent
         while (parentId) {
           instance.parentId = parentId
           instance = this.reroutes.get(parentId)
-          if (!instance) throw new Error('Broken Id link when unpacking')
+          if (!instance) {
+            console.error('Broken Id link when unpacking')
+            break
+          }
           if (instance.linkIds.has(linkInstance.id))
             throw new Error('Infinite parentId loop')
           instance.linkIds.add(linkInstance.id)
diff --git a/src/lib/litegraph/src/subgraph/subgraphUtils.ts b/src/lib/litegraph/src/subgraph/subgraphUtils.ts
index 38f74efaad..518869503d 100644
--- a/src/lib/litegraph/src/subgraph/subgraphUtils.ts
+++ b/src/lib/litegraph/src/subgraph/subgraphUtils.ts
@@ -4,6 +4,7 @@ import { LGraphNode } from '@/lib/litegraph/src/LGraphNode'
 import { LLink } from '@/lib/litegraph/src/LLink'
 import type { ResolvedConnection } from '@/lib/litegraph/src/LLink'
 import { Reroute } from '@/lib/litegraph/src/Reroute'
+import type { RerouteId } from '@/lib/litegraph/src/Reroute'
 import {
   SUBGRAPH_INPUT_ID,
   SUBGRAPH_OUTPUT_ID
@@ -259,10 +260,29 @@ export function groupResolvedByOutput(
 
   return groupedByOutput
 }
+function mapReroutes(
+  link: SerialisableLLink,
+  reroutes: Map<RerouteId, Reroute>
+) {
+  let child: SerialisableLLink | Reroute = link
+  let nextReroute =
+    child.parentId === undefined ? undefined : reroutes.get(child.parentId)
+
+  while (child.parentId !== undefined && nextReroute) {
+    child = nextReroute
+    nextReroute =
+      child.parentId === undefined ? undefined : reroutes.get(child.parentId)
+  }
+
+  const lastId = child.parentId
+  child.parentId = undefined
+  return lastId
+}
 
 export function mapSubgraphInputsAndLinks(
   resolvedInputLinks: ResolvedConnection[],
-  links: SerialisableLLink[]
+  links: SerialisableLLink[],
+  reroutes: Map<RerouteId, Reroute>
 ): SubgraphIO[] {
   // Group matching links
   const groupedByOutput = groupResolvedByOutput(resolvedInputLinks)
@@ -279,8 +299,10 @@ export function mapSubgraphInputsAndLinks(
       if (!input) continue
 
       const linkData = link.asSerialisable()
+      link.parentId = mapReroutes(link, reroutes)
       linkData.origin_id = SUBGRAPH_INPUT_ID
       linkData.origin_slot = inputs.length
+
       links.push(linkData)
       inputLinks.push(linkData)
     }
@@ -340,7 +362,8 @@ export function mapSubgraphInputsAndLinks(
  */
 export function mapSubgraphOutputsAndLinks(
   resolvedOutputLinks: ResolvedConnection[],
-  links: SerialisableLLink[]
+  links: SerialisableLLink[],
+  reroutes: Map<RerouteId, Reroute>
 ): SubgraphIO[] {
   // Group matching links
   const groupedByOutput = groupResolvedByOutput(resolvedOutputLinks)
@@ -355,10 +378,11 @@ export function mapSubgraphOutputsAndLinks(
       const { link, output } = resolved
       if (!output) continue
 
-      // Link
       const linkData = link.asSerialisable()
+      linkData.parentId = mapReroutes(link, reroutes)
       linkData.target_id = SUBGRAPH_OUTPUT_ID
       linkData.target_slot = outputs.length
+
       links.push(linkData)
       outputLinks.push(linkData)
     }