diff --git a/Events.php b/Events.php
index 1b8f771..610f93f 100644
--- a/Events.php
+++ b/Events.php
@@ -72,7 +72,7 @@ public static function onIntegrityCheck($event)
     {
         $integrityController = $event->sender;
         $integrityController->showTestHeadline("Polls Module - Answers (" . PollAnswer::find()->count() . " entries)");
-        foreach (PollAnswer::find()->joinWith('poll')->all() as $answer) {
+        foreach (PollAnswer::find()->joinWith('poll')->each() as $answer) {
             if ($answer->poll === null) {
                 if ($integrityController->showFix("Deleting poll answer id " . $answer->id . " without existing poll!")) {
                     $answer->delete();
@@ -81,7 +81,7 @@ public static function onIntegrityCheck($event)
         }
 
         $integrityController->showTestHeadline("Polls Module - Answers User (" . PollAnswerUser::find()->count() . " entries)");
-        foreach (PollAnswerUser::find()->joinWith(['poll', 'user'])->all() as $answerUser) {
+        foreach (PollAnswerUser::find()->joinWith(['poll', 'user'])->each() as $answerUser) {
             if ($answerUser->poll === null) {
                 if ($integrityController->showFix("Deleting poll answer id " . $answerUser->id . " without existing poll!")) {
                     $answerUser->delete();
diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index daa82ce..de7ad3b 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -1,6 +1,10 @@
 Changelog
 =========
 
+1.3.5 (Unreleased)
+----------------------
+- Fix #129: Fix memory usage on integrity check
+
 1.3.4 (November, 10, 2023)
 --------------------------
 - Enh #127: Tests for `next` version
diff --git a/module.json b/module.json
index 72ed5a6..5ee9cce 100644
--- a/module.json
+++ b/module.json
@@ -3,7 +3,7 @@
     "name": "Polls",
     "description": "Empower your users to create polls and survey to drive engagement and gather valuable insights from your community.",
     "keywords": ["poll", "voting", "decision making"],
-    "version": "1.3.4",
+    "version": "1.3.5",
     "humhub": {
         "minVersion": "1.14"
     },