diff --git a/rules-tests/TypeDeclaration/Rector/ClassMethod/AddParamTypeDeclarationRector/Fixture/fixture.php.inc b/rules-tests/TypeDeclaration/Rector/ClassMethod/AddParamTypeDeclarationRector/Fixture/fixture.php.inc
index a9327742fe0..6c3cfca2899 100644
--- a/rules-tests/TypeDeclaration/Rector/ClassMethod/AddParamTypeDeclarationRector/Fixture/fixture.php.inc
+++ b/rules-tests/TypeDeclaration/Rector/ClassMethod/AddParamTypeDeclarationRector/Fixture/fixture.php.inc
@@ -6,9 +6,17 @@ use Rector\Tests\TypeDeclaration\Rector\ClassMethod\AddParamTypeDeclarationRecto
 
 class DetectedByParentInterface implements ParentInterfaceWithChangeTypeInterface
 {
+    public function notChanged($name)
+    {
+    }
+
     public function process($name)
     {
     }
+
+    public function run($name)
+    {
+    }
 }
 
 ?>
@@ -21,9 +29,17 @@ use Rector\Tests\TypeDeclaration\Rector\ClassMethod\AddParamTypeDeclarationRecto
 
 class DetectedByParentInterface implements ParentInterfaceWithChangeTypeInterface
 {
+    public function notChanged($name)
+    {
+    }
+
     public function process(string $name)
     {
     }
+
+    public function run(string $name)
+    {
+    }
 }
 
 ?>
diff --git a/rules-tests/TypeDeclaration/Rector/ClassMethod/AddParamTypeDeclarationRector/config/configured_rule.php b/rules-tests/TypeDeclaration/Rector/ClassMethod/AddParamTypeDeclarationRector/config/configured_rule.php
index eb4666c4fd4..909fa1dae60 100644
--- a/rules-tests/TypeDeclaration/Rector/ClassMethod/AddParamTypeDeclarationRector/config/configured_rule.php
+++ b/rules-tests/TypeDeclaration/Rector/ClassMethod/AddParamTypeDeclarationRector/config/configured_rule.php
@@ -23,6 +23,12 @@
                 0,
                 new StringType()
             ),
+            new AddParamTypeDeclaration(
+                ParentInterfaceWithChangeTypeInterface::class,
+                'run',
+                0,
+                new StringType()
+            ),
             new AddParamTypeDeclaration(ParserInterface::class, 'parse', 0, new StringType()),
             new AddParamTypeDeclaration(
                 ClassMetadataFactory::class,
diff --git a/rules/TypeDeclaration/Rector/ClassMethod/AddParamTypeDeclarationRector.php b/rules/TypeDeclaration/Rector/ClassMethod/AddParamTypeDeclarationRector.php
index 111e3cf27f9..718b9f285c1 100644
--- a/rules/TypeDeclaration/Rector/ClassMethod/AddParamTypeDeclarationRector.php
+++ b/rules/TypeDeclaration/Rector/ClassMethod/AddParamTypeDeclarationRector.php
@@ -99,10 +99,10 @@ public function refactor(Node $node): ?Node
 
                 $this->refactorClassMethodWithTypehintByParameterPosition($classMethod, $addParamTypeDeclaration);
             }
+        }
 
-            if (! $this->hasChanged) {
-                return null;
-            }
+        if (! $this->hasChanged) {
+            return null;
         }
 
         return $node;