diff --git a/src/scripts/api.ts b/src/scripts/api.ts
index ad22ed68c..09a829bb3 100644
--- a/src/scripts/api.ts
+++ b/src/scripts/api.ts
@@ -39,9 +39,9 @@ import type {
   NodeId
 } from '@/schemas/comfyWorkflowSchema'
 import type { ComfyNodeDef } from '@/schemas/nodeDefSchema'
-import type { NodeExecutionId } from '@/types/nodeIdentification'
 import { useFirebaseAuthStore } from '@/stores/firebaseAuthStore'
 import { useToastStore } from '@/stores/toastStore'
+import type { NodeExecutionId } from '@/types/nodeIdentification'
 import { WorkflowTemplates } from '@/types/workflowTemplateTypes'
 
 interface QueuePromptRequestBody {
@@ -904,6 +904,28 @@ export class ComfyApi extends EventTarget {
     return this.getHistory()
   }
 
+  /**
+   * Parses queue prompt data from array or object format
+   * @param rawPrompt The raw prompt data from the API
+   * @returns Normalized TaskPrompt object
+   */
+  private parseQueuePrompt(rawPrompt: any): TaskPrompt {
+    if (Array.isArray(rawPrompt)) {
+      // Queue format: [priority, prompt_id, workflow, outputs]
+      const [priority, prompt_id, workflow] = rawPrompt
+      return {
+        priority,
+        prompt_id,
+        extra_data: workflow?.extra_data || {
+          client_id: '',
+          extra_pnginfo: workflow
+        }
+      }
+    }
+    // Already in object format
+    return rawPrompt
+  }
+
   /**
    * Gets the current state of the queue
    * @returns The currently running and queued items
@@ -917,16 +939,17 @@ export class ComfyApi extends EventTarget {
       const data = await res.json()
       return {
         // Running action uses a different endpoint for cancelling
-        Running: data.queue_running.map((prompt: TaskPrompt) => ({
+        Running: data.queue_running.map((prompt: any) => ({
           taskType: 'Running',
-          prompt,
-          // prompt[1] is the prompt id
-          // @ts-expect-error - prompt[1] is the prompt id
-          remove: { name: 'Cancel', cb: () => api.interrupt(prompt[1]) }
+          prompt: this.parseQueuePrompt(prompt),
+          remove: {
+            name: 'Cancel',
+            cb: () => api.interrupt(this.parseQueuePrompt(prompt).prompt_id)
+          }
         })),
-        Pending: data.queue_pending.map((prompt: TaskPrompt) => ({
+        Pending: data.queue_pending.map((prompt: any) => ({
           taskType: 'Pending',
-          prompt
+          prompt: this.parseQueuePrompt(prompt)
         }))
       }
     } catch (error) {