diff --git a/src/Psalm/Internal/Codebase/Functions.php b/src/Psalm/Internal/Codebase/Functions.php
index 4f623d63c..2588dc8ae 100644
--- a/src/Psalm/Internal/Codebase/Functions.php
+++ b/src/Psalm/Internal/Codebase/Functions.php
@@ -3,7 +3,7 @@ namespace Psalm\Internal\Codebase;
 
 use Exception;
 use PhpParser\Node\Arg;
-use PhpParser\Node\Expr\Closure;
+use PhpParser\Node\Expr\Closure as ClosureNode;
 use Psalm\Codebase;
 use Psalm\Internal\Analyzer\StatementsAnalyzer;
 use Psalm\Internal\MethodIdentifier;
@@ -563,7 +563,7 @@ class Functions
         }
 
         $must_use = $function_id !== 'array_map'
-            || (isset($args[0]) && !$args[0]->value instanceof Closure);
+            || (isset($args[0]) && !$args[0]->value instanceof ClosureNode);
 
         foreach ($function_callable->params as $i => $param) {
             if ($type_provider && $param->type && $param->type->hasCallableType() && isset($args[$i])) {