diff --git a/src/stores/queueStore.ts b/src/stores/queueStore.ts
index 4feec37e3..414100d98 100644
--- a/src/stores/queueStore.ts
+++ b/src/stores/queueStore.ts
@@ -28,7 +28,7 @@ export enum TaskItemDisplayStatus {
 
 export class ResultItemImpl {
   filename: string
-  subfolder?: string
+  subfolder: string
   type: string
 
   nodeId: NodeId
@@ -40,9 +40,9 @@ export class ResultItemImpl {
   frame_rate?: number
 
   constructor(obj: Record<string, any>) {
-    this.filename = obj.filename
-    this.subfolder = obj.subfolder
-    this.type = obj.type
+    this.filename = obj.filename ?? ''
+    this.subfolder = obj.subfolder ?? ''
+    this.type = obj.type ?? ''
 
     this.nodeId = obj.nodeId
     this.mediaType = obj.mediaType
@@ -55,7 +55,7 @@ export class ResultItemImpl {
     const params = new URLSearchParams()
     params.set('filename', this.filename)
     params.set('type', this.type)
-    params.set('subfolder', this.subfolder || '')
+    params.set('subfolder', this.subfolder)
 
     if (this.format) {
       params.set('format', this.format)
diff --git a/src/types/apiTypes.ts b/src/types/apiTypes.ts
index 646ef782d..eed2486bd 100644
--- a/src/types/apiTypes.ts
+++ b/src/types/apiTypes.ts
@@ -10,9 +10,9 @@ const zNodeType = z.string()
 const zQueueIndex = z.number()
 const zPromptId = z.string()
 const zResultItem = z.object({
-  filename: z.string(),
+  filename: z.string().optional(),
   subfolder: z.string().optional(),
-  type: z.string()
+  type: z.string().optional()
 })
 export type ResultItem = z.infer<typeof zResultItem>
 const zOutputs = z