diff --git a/src/Parser.php b/src/Parser.php
index 0a3f480..3c2ccf4 100644
--- a/src/Parser.php
+++ b/src/Parser.php
@@ -589,6 +589,11 @@ private function classTokenNeedsProcessing($position) {
                 return false;
             }
 
+            // PHP 8 allows keywords as named arguments: new Foo(class: $bar)
+            if ($this->tokenArray[$position + 1] === ':' || $this->tokenArray[$position + 2] === ':') {
+                return false;
+            }
+
             return true;
         }
 
diff --git a/tests/ParserTest.php b/tests/ParserTest.php
index 6595483..21db020 100644
--- a/tests/ParserTest.php
+++ b/tests/ParserTest.php
@@ -138,6 +138,15 @@ public function testMultipleClasses() {
             $this->assertContains('demo3', $classes);
         }
 
+        /**
+         * @requires PHP 8.0
+         */
+        public function testNamedArgumentReusingClassKeywordGetsIgnored() {
+            $parser = new Parser();
+            $rc = $parser->parse(new SourceFile((__DIR__.'/_data/parser/named-argument-class.php')));
+            $this->assertEquals(array('foo'), $rc->getUnits());
+        }
+
         public function testExtends() {
             $parser = new \TheSeer\Autoload\Parser;
             $rc = $parser->parse(new SourceFile((__DIR__.'/_data/parser/extends.php')));
diff --git a/tests/_data/parser/named-argument-class.php b/tests/_data/parser/named-argument-class.php
new file mode 100644
index 0000000..5a947af
--- /dev/null
+++ b/tests/_data/parser/named-argument-class.php
@@ -0,0 +1,15 @@
+<?php
+
+class Foo
+{
+    public function __construct(public string $class) {}
+}
+
+new Foo(class: "bar");
+
+
+function foo(string $class) {}
+
+foo(class: "bar");
+
+?>