diff --git a/benchmark/index.ts b/benchmark/index.ts
index 1bf298b..6464cd6 100644
--- a/benchmark/index.ts
+++ b/benchmark/index.ts
@@ -18,6 +18,20 @@ function suite(tzid: string) {
 
       set.all();
     }),
+    b.add('...RRuleSet (rust)', () => {
+      const rrule = new rust.RRule({
+        frequency: rust.Frequency.Daily,
+        count: 30,
+        interval: 1,
+      });
+      const set = new rust.RRuleSet({
+        dtstart: rust.DateTime.create(2023, 2, 21, 23, 59, 0, false),
+        tzid,
+        rrules: [rrule],
+      });
+
+      [...set];
+    }),
     b.add('RRule.all() (node)', () => {
       const rrule = new node.RRule({
         freq: node.RRule.DAILY,
diff --git a/lib/js/rrule_set.rs b/lib/js/rrule_set.rs
index 540322f..44b52ff 100644
--- a/lib/js/rrule_set.rs
+++ b/lib/js/rrule_set.rs
@@ -5,7 +5,6 @@ use crate::rrule::exdate::ExDate;
 use crate::rrule::rdate::RDate;
 use crate::rrule::{rrule, rrule_set};
 use napi::bindgen_prelude::{Array, Reference, SharedReference};
-use napi::iterator::Generator;
 use napi::Env;
 use napi_derive::napi;
 use replace_with::replace_with_or_abort_and_return;
@@ -286,18 +285,15 @@ impl RRuleSetIterator {
   }
 }
 
-#[napi(iterator)]
+#[napi]
 pub struct RRuleSetIteratorIterable {
   iterator: SharedReference<RRuleSetIterator, rrule_set::RRuleSetIteratorIterable<'static>>,
 }
 
 #[napi]
-impl Generator for RRuleSetIteratorIterable {
-  type Yield = i64;
-  type Next = ();
-  type Return = ();
-
-  fn next(&mut self, _next: Option<Self::Next>) -> Option<Self::Yield> {
+impl RRuleSetIteratorIterable {
+  #[napi]
+  pub fn next(&mut self) -> Option<i64> {
     self.iterator.next().map(|date: DateTime| (&date).into())
   }
 }
diff --git a/src/lib/index.d.ts b/src/lib/index.d.ts
index 9de7a91..b85822e 100644
--- a/src/lib/index.d.ts
+++ b/src/lib/index.d.ts
@@ -77,5 +77,5 @@ export class RRuleSetIterator {
   iterator(): RRuleSetIteratorIterable
 }
 export class RRuleSetIteratorIterable {
-  [Symbol.iterator](): Iterator<number, void, void>
+  next(): number | null
 }
diff --git a/src/rrule-set.ts b/src/rrule-set.ts
index f5acfaf..6f7cb3f 100644
--- a/src/rrule-set.ts
+++ b/src/rrule-set.ts
@@ -235,19 +235,22 @@ export class RRuleSet implements Iterable<DateTime> {
   }
 
   public [Symbol.iterator]() {
-    const iter = this.toRust().iterator().iterator()[Symbol.iterator]();
+    const iter = this.toRust().iterator().iterator();
 
     return {
       next: () => {
         const result = iter.next();
 
-        if (result.done) {
-          return result;
+        if (result === null) {
+          return {
+            done: true as const,
+            value: undefined,
+          };
         }
 
         return {
           done: false,
-          value: DateTime.fromNumeric(result.value),
+          value: DateTime.fromNumeric(result),
         };
       },
     };