diff --git a/src/NotionExporter.ts b/src/NotionExporter.ts
index bf2bff4..62df531 100644
--- a/src/NotionExporter.ts
+++ b/src/NotionExporter.ts
@@ -67,23 +67,21 @@ export class NotionExporter {
     return res.data.results.find((t: Task) => t.id === taskId)
   }
 
-  private pollTask = (
-    taskId: string,
-    pollInterval: number = 50
-  ): Promise<string> =>
+  private pollTask = (taskId: string): Promise<string> =>
     new Promise((resolve, reject) => {
+      const interval = this.config.pollInterval || defaultConfig.pollInterval
       const poll = async () => {
         const task = await this.getTask(taskId)
         if (task.state === "success" && task.status.exportURL)
           resolve(task.status.exportURL)
         else if (task.state === "in_progress" || task.state === "not_started") {
-          setTimeout(poll, pollInterval)
+          setTimeout(poll, interval)
         } else {
           console.error(taskId, task)
           reject(`Export task failed: ${taskId}.`)
         }
       }
-      setTimeout(poll, pollInterval)
+      setTimeout(poll, interval)
     })
 
   /**
diff --git a/src/config.ts b/src/config.ts
index 2c36ae9..207f53d 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -10,10 +10,13 @@ export interface Config {
   locale?: string
   /** Export all blocks of the DB/page or just the ones in the current view. Default: "all" */
   collectionViewExportType?: "currentView" | "all"
+  /** Poll export task finished interval in ms */
+  pollInterval?: number
 }
 
 export const defaultConfig: Config = {
   timeZone: "UTC",
   locale: "en",
   collectionViewExportType: "all",
+  pollInterval: 500,
 }