diff --git a/.psalm/baseline.xml b/.psalm/baseline.xml
index 7ff0f11f1ec..42d1cc093ab 100644
--- a/.psalm/baseline.xml
+++ b/.psalm/baseline.xml
@@ -693,7 +693,7 @@
   </file>
   <file src="src/Framework/MockObject/Invocation.php">
     <MissingClosureReturnType occurrences="1">
-      <code>static function () {</code>
+      <code>static function ()</code>
     </MissingClosureReturnType>
   </file>
   <file src="src/Framework/MockObject/InvocationHandler.php">