diff --git a/src/types/comfyWorkflow.ts b/src/types/comfyWorkflow.ts
index 298c8a91b..f68a5b31e 100644
--- a/src/types/comfyWorkflow.ts
+++ b/src/types/comfyWorkflow.ts
@@ -74,7 +74,10 @@ const zProperties = z
   .passthrough()
 
 const zVector2 = z.union([
-  z.object({ 0: z.number(), 1: z.number() }).transform((v) => [v[0], v[1]]),
+  z
+    .object({ 0: z.number(), 1: z.number() })
+    .passthrough()
+    .transform((v) => [v[0], v[1]]),
   z.tuple([z.number(), z.number()])
 ])
 
diff --git a/tests-ui/tests/comfyWorkflow.test.ts b/tests-ui/tests/comfyWorkflow.test.ts
index bcb729d33..19349fa82 100644
--- a/tests-ui/tests/comfyWorkflow.test.ts
+++ b/tests-ui/tests/comfyWorkflow.test.ts
@@ -69,6 +69,23 @@ describe('parseComfyWorkflow', () => {
     workflow.nodes[0].pos = { 0: 3, 1: 4 }
     validatedWorkflow = await validateComfyWorkflow(workflow)
     expect(validatedWorkflow.nodes[0].pos).toEqual([3, 4])
+
+    // Should accept the legacy bugged format object.
+    // https://github.com/Comfy-Org/ComfyUI_frontend/issues/710
+    workflow.nodes[0].pos = {
+      '0': 600,
+      '1': 340,
+      '2': 0,
+      '3': 0,
+      '4': 0,
+      '5': 0,
+      '6': 0,
+      '7': 0,
+      '8': 0,
+      '9': 0
+    }
+    validatedWorkflow = await validateComfyWorkflow(workflow)
+    expect(validatedWorkflow.nodes[0].pos).toEqual([600, 340])
   })
 
   it('workflow.nodes.widget_values', async () => {