diff --git a/rules-tests/AnnotationsToAttributes/Rector/ClassMethod/DataProviderAnnotationToAttributeRector/Fixture/with_comment_above.php.inc b/rules-tests/AnnotationsToAttributes/Rector/ClassMethod/DataProviderAnnotationToAttributeRector/Fixture/with_comment_above.php.inc
new file mode 100644
index 00000000..ce7b0baf
--- /dev/null
+++ b/rules-tests/AnnotationsToAttributes/Rector/ClassMethod/DataProviderAnnotationToAttributeRector/Fixture/with_comment_above.php.inc
@@ -0,0 +1,46 @@
+<?php
+
+namespace Rector\PHPUnit\Tests\AnnotationsToAttributes\Rector\ClassMethod\DataProviderAnnotationToAttributeRector\Fixture;
+
+class WithCommentAbove extends \PHPUnit\Framework\TestCase
+{
+    /**
+     * This is a useless test to demonstrate a problem.
+     *
+     * @dataProvider dataProvider
+     */
+    public function testProvider(bool $expected): void
+    {
+        self::assertSame($expected, $expected);
+    }
+
+    public static function dataProvider(): iterable
+    {
+        yield [true];
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\PHPUnit\Tests\AnnotationsToAttributes\Rector\ClassMethod\DataProviderAnnotationToAttributeRector\Fixture;
+
+class WithCommentAbove extends \PHPUnit\Framework\TestCase
+{
+    /**
+     * This is a useless test to demonstrate a problem.
+     */
+    #[\PHPUnit\Framework\Attributes\DataProvider('dataProvider')]
+    public function testProvider(bool $expected): void
+    {
+        self::assertSame($expected, $expected);
+    }
+
+    public static function dataProvider(): iterable
+    {
+        yield [true];
+    }
+}
+
+?>
diff --git a/rules-tests/AnnotationsToAttributes/Rector/ClassMethod/DataProviderAnnotationToAttributeRector/Fixture/with_comment_below.php.inc b/rules-tests/AnnotationsToAttributes/Rector/ClassMethod/DataProviderAnnotationToAttributeRector/Fixture/with_comment_below.php.inc
new file mode 100644
index 00000000..6ed6c0e5
--- /dev/null
+++ b/rules-tests/AnnotationsToAttributes/Rector/ClassMethod/DataProviderAnnotationToAttributeRector/Fixture/with_comment_below.php.inc
@@ -0,0 +1,43 @@
+<?php
+
+namespace Rector\PHPUnit\Tests\AnnotationsToAttributes\Rector\ClassMethod\DataProviderAnnotationToAttributeRector\Fixture;
+
+class WithCommentBelow extends \PHPUnit\Framework\TestCase
+{
+    /**
+     * @dataProvider dataProvider
+     *
+     * This is a useless test to demonstrate a problem.
+     */
+    public function testProvider(bool $expected): void
+    {
+        self::assertSame($expected, $expected);
+    }
+
+    public static function dataProvider(): iterable
+    {
+        yield [true];
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\PHPUnit\Tests\AnnotationsToAttributes\Rector\ClassMethod\DataProviderAnnotationToAttributeRector\Fixture;
+
+class WithCommentBelow extends \PHPUnit\Framework\TestCase
+{
+    #[\PHPUnit\Framework\Attributes\DataProvider('dataProvider')]
+    public function testProvider(bool $expected): void
+    {
+        self::assertSame($expected, $expected);
+    }
+
+    public static function dataProvider(): iterable
+    {
+        yield [true];
+    }
+}
+
+?>
diff --git a/rules/AnnotationsToAttributes/Rector/ClassMethod/DataProviderAnnotationToAttributeRector.php b/rules/AnnotationsToAttributes/Rector/ClassMethod/DataProviderAnnotationToAttributeRector.php
index 99eb2afe..e925740b 100644
--- a/rules/AnnotationsToAttributes/Rector/ClassMethod/DataProviderAnnotationToAttributeRector.php
+++ b/rules/AnnotationsToAttributes/Rector/ClassMethod/DataProviderAnnotationToAttributeRector.php
@@ -138,7 +138,7 @@ public function refactor(Node $node): ?Node
 
             $originalAttributeValue = $desiredTagValueNode->value->value;
 
-            $node->attrGroups[] = $this->createAttributeGroup($originalAttributeValue);
+            $node->attrGroups[] = $this->createAttributeGroup(strtok($originalAttributeValue, " \t\n\r\0\x0B"));
 
             // cleanup
             $this->phpDocTagRemover->removeTagValueFromNode($phpDocInfo, $desiredTagValueNode);