diff --git a/src/Drivers/Mysqli/MysqliDriver.php b/src/Drivers/Mysqli/MysqliDriver.php
index fde6f14..c7fdcca 100644
--- a/src/Drivers/Mysqli/MysqliDriver.php
+++ b/src/Drivers/Mysqli/MysqliDriver.php
@@ -177,7 +177,7 @@ public function getAffectedRows(): int
 	{
 		assert($this->connection !== null);
 		$affectedRows = $this->connection->affected_rows;
-		if (is_string($affectedRows)) {
+		if (is_string($affectedRows)) { // @phpstan-ignore-line
 			// Integer overflow, read the real value via IConnection::getDriver()::getResourceHandle()->affected_rows
 			return -2;
 		}
diff --git a/src/Drivers/Mysqli/MysqliResultAdapter.php b/src/Drivers/Mysqli/MysqliResultAdapter.php
index 2693c3c..5ee041e 100644
--- a/src/Drivers/Mysqli/MysqliResultAdapter.php
+++ b/src/Drivers/Mysqli/MysqliResultAdapter.php
@@ -84,7 +84,7 @@ public function getTypes(): array
 	public function getRowsCount(): int
 	{
 		$rows = $this->result->num_rows;
-		if (is_string($rows)) {
+		if (is_string($rows)) { // @phpstan-ignore-line
 			throw new InvalidStateException("Query returned more rows that Integer can store.");
 		}
 		return $rows;