diff --git a/types/node/events.d.ts b/types/node/events.d.ts
index c56a4604ab..f86102101c 100644
--- a/types/node/events.d.ts
+++ b/types/node/events.d.ts
@@ -2,7 +2,7 @@ declare module "events" {
     class internal extends NodeJS.EventEmitter { }
 
     namespace internal {
-        function once(emitter: EventEmitter, event: string | symbol): Promise<any>;
+        function once(emitter: EventEmitter, event: string | symbol): Promise<any[]>;
          class EventEmitter extends internal {
             /** @deprecated since v4.0.0 */
             static listenerCount(emitter: EventEmitter, event: string | symbol): number;
diff --git a/types/node/test/events.ts b/types/node/test/events.ts
index eafdbb1408..6005b8b15b 100644
--- a/types/node/test/events.ts
+++ b/types/node/test/events.ts
@@ -26,12 +26,20 @@ const any: any = 1;
     result = events.EventEmitter.defaultMaxListeners;
     result = events.EventEmitter.listenerCount(emitter, event); // deprecated
 
-    const promise: Promise<any> = events.once(new events.EventEmitter(), 'error');
+    const promise: Promise<any[]> = events.once(new events.EventEmitter(), 'error');
 
     result = emitter.getMaxListeners();
     result = emitter.listenerCount(event);
 }
 
+{
+    let result: Promise<number[]>;
+
+    result = events.once(emitter, event);
+
+    emitter.emit(event, 42);
+}
+
 {
     let result: Function[];