diff --git a/src/Codeception/Module/Db.php b/src/Codeception/Module/Db.php
index db418bd3..2143aaf5 100644
--- a/src/Codeception/Module/Db.php
+++ b/src/Codeception/Module/Db.php
@@ -808,7 +808,9 @@ private function addInsertedRow(string $table, array $row, $id): void
     {
         $primaryKey = $this->_getDriver()->getPrimaryKey($table);
         $primary = [];
-        if ($primaryKey !== []) {
+        if (count($primaryKey) == 1 && is_null($row[$primaryKey[0]])) {
+            $primary[$primaryKey[0]] = $id; 
+        } elseif ($primaryKey !== []) {
             $filledKeys = array_intersect($primaryKey, array_keys($row));
             $missingPrimaryKeyColumns = array_diff_key($primaryKey, $filledKeys);