diff --git a/src/Processing/ImportProcessingService.php b/src/Processing/ImportProcessingService.php
index 1e220f87..561bf345 100644
--- a/src/Processing/ImportProcessingService.php
+++ b/src/Processing/ImportProcessingService.php
@@ -227,6 +227,7 @@ protected function processElement(string $configName, array $importDataRow, Reso
                 $event = new PreSaveEvent($configName, $importDataRow, $element);
                 $this->eventDispatcher->dispatch($event);
 
+                $this->checkKey($element);
                 $element->save();
 
                 $event = new PostSaveEvent($configName, $importDataRow, $element);
@@ -390,4 +391,11 @@ public function cancelImportAndCleanupQueue(string $configName): void
         TmpStore::delete($infoEntryId);
         $this->queueService->cleanupQueueItems($configName);
     }
+
+    private function checkKey(ElementInterface $element): void
+    {
+        if(empty($element->getKey())) {
+            $element->setKey(uniqid('import-', true));
+        }
+    }
 }
diff --git a/src/Resolver/Factory/DataObjectFactory.php b/src/Resolver/Factory/DataObjectFactory.php
index 7d31775e..29fad639 100644
--- a/src/Resolver/Factory/DataObjectFactory.php
+++ b/src/Resolver/Factory/DataObjectFactory.php
@@ -15,6 +15,7 @@
 
 namespace Pimcore\Bundle\DataImporterBundle\Resolver\Factory;
 
+use Exception;
 use Pimcore\Bundle\DataImporterBundle\Exception\InvalidConfigurationException;
 use Pimcore\Model\DataObject\ClassDefinition;
 use Pimcore\Model\Element\ElementInterface;
@@ -44,9 +45,9 @@ public function setSubType(string $subType): void
 
     /**
      * @throws InvalidConfigurationException
-     * @throws \Exception
+     * @throws Exception
      */
-    public function createNewElement(bool $assignUniqueIdAsKey = true): ElementInterface
+    public function createNewElement(): ElementInterface
     {
         $class = ClassDefinition::getById($this->subType);
         if (empty($class)) {
@@ -62,9 +63,7 @@ public function createNewElement(bool $assignUniqueIdAsKey = true): ElementInter
             );
         }
 
-        if($assignUniqueIdAsKey) {
-            $element->setKey(uniqid('import-', true));
-        }
+        $element->setKey(uniqid('import-', true));
 
         return $element;
     }
diff --git a/src/Resolver/Factory/FactoryInterface.php b/src/Resolver/Factory/FactoryInterface.php
index 13d654a5..596b4c74 100644
--- a/src/Resolver/Factory/FactoryInterface.php
+++ b/src/Resolver/Factory/FactoryInterface.php
@@ -31,5 +31,5 @@ public function setSubType(string $subType): void;
      *
      * @return ElementInterface
      */
-    public function createNewElement(bool $assignUniqueIdAsKey = true): ElementInterface;
+    public function createNewElement(): ElementInterface;
 }
diff --git a/src/Resolver/Resolver.php b/src/Resolver/Resolver.php
index 0e603c89..03becd36 100644
--- a/src/Resolver/Resolver.php
+++ b/src/Resolver/Resolver.php
@@ -150,8 +150,15 @@ public function loadOrCreateAndPrepareElement(array $inputData, bool $createNew
         }
 
         if (empty($element)) {
-            $hasKeySet = array_key_exists('key', $inputData) && !empty($inputData['key']);
-            $element = $this->getElementFactory()->createNewElement($hasKeySet);
+            $element = $this->getElementFactory()->createNewElement();
+            /**
+             * Reset key for new element, otherwise a key, that gets passed in the input data, would not be used.
+             * See checkKey method in ImportProcessingService, which adds the key again if necessary.
+             * @see \Pimcore\Bundle\DataImporterBundle\Processing\ImportProcessingService::checkKey
+             *
+             * Needs to be done here, because adding a parameter to createNewElement would be a bc break.
+             */
+            $element->setKey('');
             $this->getCreateLocationStrategy()->updateParent($element, $inputData);
             $justCreated = true;
         } else {