diff --git a/psalm.xml.dist b/psalm.xml.dist
index bf2e39a26..fafa1343a 100644
--- a/psalm.xml.dist
+++ b/psalm.xml.dist
@@ -23,6 +23,7 @@
             <file name="src/Psalm/Internal/CallMap.php"/>
             <file name="src/Psalm/Internal/Traverser/CustomTraverser.php"/>
             <file name="tests/ErrorBaselineTest.php"/>
+            <file name="src/spl_object_id.php"/>
             <file name="vendor/symfony/console/Command/Command.php"/>
             <directory name="src/Psalm/Internal/Stubs"/>
             <directory name="tests/fixtures"/>