diff --git a/src/Analysers/TokenScanner.php b/src/Analysers/TokenScanner.php
index 1df38be34..9c301f145 100644
--- a/src/Analysers/TokenScanner.php
+++ b/src/Analysers/TokenScanner.php
@@ -31,6 +31,7 @@ protected function scanTokens(array $tokens): array
         $units = [];
         $uses = [];
         $isInterface = false;
+        $isAbstractFunction = false;
         $namespace = '';
         $currentName = null;
         $unitLevel = 0;
@@ -65,6 +66,12 @@ protected function scanTokens(array $tokens): array
             }
 
             switch ($token[0]) {
+                case T_ABSTRACT:
+                    if (count($stack)) {
+                        $isAbstractFunction = true;
+                    }
+                    break;
+
                 case T_CURLY_OPEN:
                 case T_DOLLAR_OPEN_CURLY_BRACES:
                     $stack[] = $token[1];
@@ -151,7 +158,7 @@ protected function scanTokens(array $tokens): array
 
                     if (($unitLevel + 1) == count($stack) && $currentName) {
                         $units[$currentName]['methods'][] = $token[1];
-                        if (!$isInterface) {
+                        if (!$isInterface && !$isAbstractFunction) {
                             // more nesting
                             $units[$currentName]['properties'] = array_merge(
                                 $units[$currentName]['properties'],
@@ -161,6 +168,7 @@ protected function scanTokens(array $tokens): array
                         } else {
                             // no function body
                             $this->skipTo($tokens, ';');
+                            $isAbstractFunction = false;
                         }
                     }
                     break;
diff --git a/tests/Analysers/TokenScannerTest.php b/tests/Analysers/TokenScannerTest.php
index dadd31646..24e973200 100644
--- a/tests/Analysers/TokenScannerTest.php
+++ b/tests/Analysers/TokenScannerTest.php
@@ -13,6 +13,23 @@ class TokenScannerTest extends OpenApiTestCase
 {
     public function scanCases(): iterable
     {
+        if (\PHP_VERSION_ID >= 80100) {
+            yield 'abstract' => [
+                'PHP/AbstractKeyword.php',
+                [
+                    'OpenApi\Tests\Fixtures\PHP\AbstractKeyword' => [
+                        'uses' => [
+                            'Property' => 'OpenApi\Attributes\Property',
+                        ],
+                        'interfaces' => [],
+                        'traits' => [],
+                        'enums' => [],
+                        'methods' => ['stuff', 'other', 'another'],
+                        'properties' => [],
+                    ],
+                ],
+            ];
+        }
         if (\PHP_VERSION_ID >= 80100) {
             yield 'basic' => [
                 'Apis/DocBlocks/basic.php',
@@ -224,7 +241,9 @@ public function scanCases(): iterable
             'PHP/Php8NamedArguments.php',
             [
                 'OpenApi\\Tests\\Fixtures\\PHP\\Php8NamedArguments' => [
-                    'uses' => [],
+                    'uses' => [
+                        'OA' => 'OpenApi\Annotations',
+                    ],
                     'interfaces' => [],
                     'traits' => [],
                     'enums' => [],
@@ -238,7 +257,9 @@ public function scanCases(): iterable
             'PHP/AnonymousFunctions.php',
             [
                 'OpenApi\\Tests\\Fixtures\\PHP\\AnonymousFunctions' => [
-                    'uses' => [],
+                    'uses' => [
+                        'OA' => 'OpenApi\Annotations',
+                    ],
                     'interfaces' => [],
                     'traits' => [],
                     'enums' => [],
diff --git a/tests/Fixtures/PHP/AbstractKeyword.php b/tests/Fixtures/PHP/AbstractKeyword.php
new file mode 100644
index 000000000..7cd1e980c
--- /dev/null
+++ b/tests/Fixtures/PHP/AbstractKeyword.php
@@ -0,0 +1,25 @@
+<?php declare(strict_types=1);
+
+/**
+ * @license Apache 2.0
+ */
+
+namespace OpenApi\Tests\Fixtures\PHP;
+
+use OpenApi\Attributes\Property;
+
+#[\Attribute(\Attribute::TARGET_PROPERTY | \Attribute::IS_REPEATABLE)]
+abstract class AbstractKeyword
+{
+    #[Property(property: 'stuff')]
+    abstract public function stuff(string $name, array $numbers): bool;
+
+    #[Property(property: 'other')]
+    public function other(): string
+    {
+        return 'other';
+    }
+
+    #[Property(property: 'another')]
+    abstract public function another(): void;
+}
diff --git a/tests/Fixtures/PHP/AnonymousFunctions.php b/tests/Fixtures/PHP/AnonymousFunctions.php
index 018eb6e04..c5a8ac867 100644
--- a/tests/Fixtures/PHP/AnonymousFunctions.php
+++ b/tests/Fixtures/PHP/AnonymousFunctions.php
@@ -6,6 +6,8 @@
 
 namespace OpenApi\Tests\Fixtures\PHP;
 
+use OpenApi\Annotations as OA;
+
 /**
  * @OA\Info(title="Foobar", version="1.0")
  */
@@ -61,7 +63,7 @@ public function dollarCurly1(string $key = 'xx')
     {
         preg_replace("/:{$key}/", 'y', 'abx');
 
-        $this->shortFn();
+        return $this->shortFn();
     }
 
     public function dollarCurly2(string $key = 'xx')
diff --git a/tests/Fixtures/PHP/Php8AttrMix.php b/tests/Fixtures/PHP/Php8AttrMix.php
index 6a9c325df..0b155c77d 100644
--- a/tests/Fixtures/PHP/Php8AttrMix.php
+++ b/tests/Fixtures/PHP/Php8AttrMix.php
@@ -6,6 +6,8 @@
 
 namespace OpenApi\Tests\Fixtures\PHP;
 
+use OpenApi\Annotations as OA;
+
 /**
  * @OA\Schema
  */
diff --git a/tests/Fixtures/PHP/Php8NamedArguments.php b/tests/Fixtures/PHP/Php8NamedArguments.php
index 1d44b6336..6a02487a4 100644
--- a/tests/Fixtures/PHP/Php8NamedArguments.php
+++ b/tests/Fixtures/PHP/Php8NamedArguments.php
@@ -6,6 +6,8 @@
 
 namespace OpenApi\Tests\Fixtures\PHP;
 
+use OpenApi\Annotations as OA;
+
 /**
  * @OA\Schema
  */