diff --git a/DependencyInjection/AbstractDoctrineExtension.php b/DependencyInjection/AbstractDoctrineExtension.php
index ebcf2c06..cd5fc91c 100644
--- a/DependencyInjection/AbstractDoctrineExtension.php
+++ b/DependencyInjection/AbstractDoctrineExtension.php
@@ -301,8 +301,8 @@ private function detectMappingType(string $directory, ContainerBuilder $containe
                 break;
             }
             if (
-                preg_match('/^ \* @.*'.$quotedMappingObjectName.'\b/m', $content) ||
-                preg_match('/^ \* @.*Embeddable\b/m', $content)
+                preg_match('/^(?: \*|\/\*\*) @.*'.$quotedMappingObjectName.'\b/m', $content) ||
+                preg_match('/^(?: \*|\/\*\*) @.*Embeddable\b/m', $content)
             ) {
                 $type = 'annotation';
                 break;
diff --git a/Tests/DependencyInjection/DoctrineExtensionTest.php b/Tests/DependencyInjection/DoctrineExtensionTest.php
index b481ab95..2ca6eda3 100644
--- a/Tests/DependencyInjection/DoctrineExtensionTest.php
+++ b/Tests/DependencyInjection/DoctrineExtensionTest.php
@@ -276,6 +276,7 @@ public function testUnrecognizedCacheDriverException()
     public function providerBundles()
     {
         yield ['AnnotationsBundle', 'annotation', '/Entity'];
+        yield ['AnnotationsOneLineBundle', 'annotation', '/Entity'];
         yield ['FullEmbeddableAnnotationsBundle', 'annotation', '/Entity'];
         yield ['AttributesBundle', 'attribute', '/Entity'];
         yield ['FullEmbeddableAttributesBundle', 'attribute', '/Entity'];
diff --git a/Tests/Fixtures/Bundles/AnnotationsOneLineBundle/AnnotationsOneLineBundle.php b/Tests/Fixtures/Bundles/AnnotationsOneLineBundle/AnnotationsOneLineBundle.php
new file mode 100644
index 00000000..6d401bae
--- /dev/null
+++ b/Tests/Fixtures/Bundles/AnnotationsOneLineBundle/AnnotationsOneLineBundle.php
@@ -0,0 +1,18 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Fixtures\Bundles\AnnotationsOneLineBundle;
+
+use Symfony\Component\HttpKernel\Bundle\Bundle;
+
+class AnnotationsOneLineBundle extends Bundle
+{
+}
diff --git a/Tests/Fixtures/Bundles/AnnotationsOneLineBundle/Entity/Person.php b/Tests/Fixtures/Bundles/AnnotationsOneLineBundle/Entity/Person.php
new file mode 100644
index 00000000..b55fe6f8
--- /dev/null
+++ b/Tests/Fixtures/Bundles/AnnotationsOneLineBundle/Entity/Person.php
@@ -0,0 +1,37 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Fixtures\Bundles\AnnotationsOneLineBundle\Entity;
+
+use Doctrine\ORM\Mapping\Column;
+use Doctrine\ORM\Mapping\Entity;
+use Doctrine\ORM\Mapping\Id;
+
+/** @Entity */
+class Person
+{
+    /** @Id @Column(type="integer") */
+    protected $id;
+
+    /** @Column(type="string") */
+    public $name;
+
+    public function __construct($id, $name)
+    {
+        $this->id = $id;
+        $this->name = $name;
+    }
+
+    public function __toString(): string
+    {
+        return (string) $this->name;
+    }
+}