diff --git a/Model/Importer.php b/Model/Importer.php
index 9df24f9..58e560a 100644
--- a/Model/Importer.php
+++ b/Model/Importer.php
@@ -53,6 +53,7 @@ public function __construct(
      */
     public function processImport(array $dataArray): void
     {
+        $this->resetImportModel();
         $this->validateData($dataArray);
         $this->importData();
     }
@@ -111,6 +112,11 @@ public function getImportModel(): Import
         return $this->importModel;
     }
 
+    private function resetImportModel(): void
+    {
+        $this->importModel = null;
+    }
+
     public function getErrorAggregator(): ProcessingErrorAggregatorInterface
     {
         return $this->getImportModel()->getErrorAggregator();