diff --git a/ProcessMaker/Exception/ReferentialIntegrityException.php b/ProcessMaker/Exception/ReferentialIntegrityException.php
index 12ee18e87d..06930459d3 100644
--- a/ProcessMaker/Exception/ReferentialIntegrityException.php
+++ b/ProcessMaker/Exception/ReferentialIntegrityException.php
@@ -4,6 +4,7 @@
 
 use Exception;
 use ProcessMaker\Models\ProcessMakerModel;
+use Illuminate\Database\Eloquent\Model;
 
 class ReferentialIntegrityException extends Exception
 {