diff --git a/src/FileSystem/RectorFinder.php b/src/FileSystem/RectorFinder.php
index 5ddf4552f..00f557510 100644
--- a/src/FileSystem/RectorFinder.php
+++ b/src/FileSystem/RectorFinder.php
@@ -140,8 +140,10 @@ private function findInDirectoriesAndCreateRuleMetadatas(array $directories, arr
 
         $ruleMetadatas = [];
 
-        foreach ($this->findRectorClasses($directories) as $rectorClass) {
-            $rectorReflectionClass = new ReflectionClass($rectorClass);
+        $findRectorClasses = $this->findRectorClasses($directories);
+
+        foreach ($findRectorClasses as $findRectorClass) {
+            $rectorReflectionClass = new ReflectionClass($findRectorClass);
             if ($rectorReflectionClass->isAbstract()) {
                 continue;
             }
@@ -171,14 +173,14 @@ private function findInDirectoriesAndCreateRuleMetadatas(array $directories, arr
                 throw new InvalidRuleDescriptionException(
                     sprintf(
                         'Rule "%s" has invalid code samples:%s"%s"',
-                        $rectorClass,
+                        $findRectorClass,
                         PHP_EOL . PHP_EOL,
                         $throwable->getMessage()
                     )
                 );
             }
 
-            $ruleDefinition->setRuleClass($rectorClass);
+            $ruleDefinition->setRuleClass($findRectorClass);
 
             $currentRuleSets = $this->findRuleUsedSets($ruleDefinition, $rectorSets);
 
@@ -187,10 +189,30 @@ private function findInDirectoriesAndCreateRuleMetadatas(array $directories, arr
                 $ruleDefinition->getDescription(),
                 $ruleDefinition->getCodeSamples(),
                 $currentRuleSets,
-                (string) $rectorReflectionClass->getFileName()
+                (string) $rectorReflectionClass->getFileName(),
+                $this->isDuplicatedLastName($findRectorClasses, $rectorReflectionClass->getShortName())
             );
         }
 
         return $ruleMetadatas;
     }
+
+    /**
+     * @param array<class-string<RectorInterface>> $findRectorClasses
+     */
+    private function isDuplicatedLastName(array $findRectorClasses, string $lastName): bool
+    {
+        $count = 0;
+        foreach ($findRectorClasses as $findRectorClass) {
+            if (\str_ends_with($findRectorClass, '\\' . $lastName)) {
+                ++$count;
+
+                if ($count === 2) {
+                    return true;
+                }
+            }
+        }
+
+        return false;
+    }
 }
diff --git a/src/RuleFilter/ValueObject/RuleMetadata.php b/src/RuleFilter/ValueObject/RuleMetadata.php
index c9cc7dfe8..edf3f5086 100644
--- a/src/RuleFilter/ValueObject/RuleMetadata.php
+++ b/src/RuleFilter/ValueObject/RuleMetadata.php
@@ -29,7 +29,8 @@ public function __construct(
         private readonly string $description,
         private array $codeSamples,
         private readonly array $sets,
-        private readonly string $rectorRuleFilePath
+        private readonly string $rectorRuleFilePath,
+        private readonly bool $sameNameInDifferentSet
     ) {
         Assert::isAOf($ruleClass, RectorInterface::class);
         Assert::allIsAOf($sets, RectorSet::class);
@@ -43,9 +44,26 @@ public function getRuleShortClass(): string
     public function getSlug(): string
     {
         // turn "SomeRector" to "some-rector"
-        return str($this->getRuleShortClass())
+        $lastSlug = str($this->getRuleShortClass())
             ->snake('-')
             ->toString();
+
+        if ($this->sameNameInDifferentSet === false) {
+            return $lastSlug;
+        }
+
+        $currentSet = current($this->sets);
+
+        if ($currentSet === false) {
+            return $lastSlug;
+        }
+
+        $slug = $currentSet->getSlug();
+        if ($slug !== '') {
+            $slug .= '-';
+        }
+
+        return $slug . $lastSlug;
     }
 
     public function getDescription(): string
diff --git a/tests/FileSystem/RectorFinderTest.php b/tests/FileSystem/RectorFinderTest.php
new file mode 100644
index 000000000..57a2aa694
--- /dev/null
+++ b/tests/FileSystem/RectorFinderTest.php
@@ -0,0 +1,66 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Tests\FileSystem;
+
+use App\FileSystem\RectorFinder;
+use App\Sets\RectorSetsTreeProvider;
+use PHPUnit\Framework\TestCase;
+use Rector\Php84\Rector\Class_\DeprecatedAnnotationToDeprecatedAttributeRector;
+
+final class RectorFinderTest extends TestCase
+{
+    private RectorFinder $rectorFinder;
+
+    protected function setUp(): void
+    {
+        $this->rectorFinder = new RectorFinder(new RectorSetsTreeProvider());
+    }
+
+    public function testFindDuplicated(): void
+    {
+        $foundRectors = $this->rectorFinder->find();
+
+        $shortNames = [];
+        $longNames = [];
+        foreach ($foundRectors as $ruleMetadata) {
+            $shortNames[] = $ruleMetadata->getRuleShortClass();
+            $longNames[] = $ruleMetadata->getRectorClass();
+        }
+
+        $uniqueShortNames = array_unique($shortNames);
+        $uniqueLongNames = array_unique($longNames);
+
+        $this->assertNotSame(
+            count($uniqueShortNames),
+            count($uniqueLongNames),
+            'There are duplicated short class names.'
+        );
+
+        // get duplicated short names and report different slug
+        $duplicatedShortNames = array_diff_key($shortNames, $uniqueShortNames);
+
+        $this->assertContains(
+            'DeprecatedAnnotationToDeprecatedAttributeRector',
+            $duplicatedShortNames,
+            'Expected DeprecatedAnnotationToDeprecatedAttributeRector to be one of the duplicated short names.'
+        );
+
+        foreach ($foundRectors as $foundRector) {
+            if ($foundRector->getRectorClass() === DeprecatedAnnotationToDeprecatedAttributeRector::class) {
+                $this->assertSame(
+                    'php-php-84-deprecated-annotation-to-deprecated-attribute-rector',
+                    $foundRector->getSlug()
+                );
+            }
+
+            if ($foundRector->getRectorClass() === \Rector\Php85\Rector\Const_\DeprecatedAnnotationToDeprecatedAttributeRector::class) {
+                $this->assertSame(
+                    'php-php-85-deprecated-annotation-to-deprecated-attribute-rector',
+                    $foundRector->getSlug()
+                );
+            }
+        }
+    }
+}
diff --git a/tests/RuleFilter/RuleFilterTest.php b/tests/RuleFilter/RuleFilterTest.php
index 330fb028b..f66201e14 100644
--- a/tests/RuleFilter/RuleFilterTest.php
+++ b/tests/RuleFilter/RuleFilterTest.php
@@ -20,14 +20,16 @@ public function testFilterBySetGroup(): void
             'Some description',
             [],
             [],
-            'some-rector.php'
+            'some-rector.php',
+            false
         );
         $ruleMetadataCommunity = new RuleMetadata(
             MigrateToSimplifiedAttributeRector::class,
             'Some description',
             [],
             [],
-            'some-rector.php'
+            'some-rector.php',
+            false,
         );
 
         $ruleFilter = $this->make(RuleFilter::class);