diff --git a/src/Rule/YiiConfigHelper.php b/src/Rule/YiiConfigHelper.php
index 1017f29..b21c2c2 100644
--- a/src/Rule/YiiConfigHelper.php
+++ b/src/Rule/YiiConfigHelper.php
@@ -186,21 +186,24 @@ public function validateConstructorArgs(Type $object, ConstantArrayType $config,
 
             /** @var list<\PHPStan\Rules\IdentifierRuleError> $paramSearchErrors */
             $paramSearchErrors = [];
-            /** @var \PHPStan\Reflection\ParameterReflection[] $foundParams */
+            /** @var list<array{class-string, \PHPStan\Reflection\ParameterReflection, string}> $foundParams */
             $foundParams = [];
             /** @var \PHPStan\Reflection\ClassReflection $classReflection */
             foreach ($object->getObjectClassReflections() as $classReflection) {
                 $constructorParams = ParametersAcceptorSelector::selectSingle($classReflection->getConstructor()->getVariants())->getParameters();
                 $param = null;
+                $paramIndex = 0;
 
                 // TODO: prevent direct pass of 'config' param to constructor args (\yii\base\Configurable)
 
                 if (is_int($paramName)) {
                     $param = $constructorParams[$paramName] ?? null;
+                    $paramIndex = $paramName;
                 } else {
-                    foreach ($constructorParams as $constructorParam) {
+                    foreach ($constructorParams as $j => $constructorParam) {
                         if ($constructorParam->getName() === $paramName) {
                             $param = $constructorParam;
+                            $paramIndex = $j;
                             break;
                         }
                     }
@@ -217,7 +220,7 @@ public function validateConstructorArgs(Type $object, ConstantArrayType $config,
                     continue;
                 }
 
-                $foundParams[$classReflection->getName()] = $param;
+                $foundParams[] = [$classReflection->getName(), $param, sprintf('#%s $%s', $paramIndex + 1, $param->getName())];
             }
 
             if (empty($foundParams)) {
@@ -239,15 +242,14 @@ public function validateConstructorArgs(Type $object, ConstantArrayType $config,
             /** @var list<\PHPStan\Rules\IdentifierRuleError> $typeCheckErrors */
             $typeCheckErrors = [];
             $accepted = false;
-            foreach ($foundParams as $className => $constructorParam) {
-                // TODO: expose param name
+            foreach ($foundParams as [$className, $constructorParam, $strToReport]) {
                 $paramType = $constructorParam->getType();
                 $result = $this->ruleLevelHelper->acceptsWithReason($paramType, $paramValue, $scope->isDeclareStrictTypes());
                 if (!$result->result) {
                     $level = VerbosityLevel::getRecommendedLevelByType($paramType, $paramValue);
                     $typeCheckErrors[] = RuleErrorBuilder::message(sprintf(
                         'Parameter %s of class %s constructor expects %s, %s given.',
-                        $paramStrToReport,
+                        $strToReport,
                         $className,
                         $paramType->describe($level),
                         $paramValue->describe($level),
diff --git a/tests/Rule/CreateObjectRuleTest.php b/tests/Rule/CreateObjectRuleTest.php
index 620312f..4137873 100644
--- a/tests/Rule/CreateObjectRuleTest.php
+++ b/tests/Rule/CreateObjectRuleTest.php
@@ -21,14 +21,14 @@ public function testRule(): void {
         $this->analyse([__DIR__ . '/_data/create_object_array_valid.php'], []);
         $this->analyse([__DIR__ . '/_data/create_object_array_union_type_valid.php'], []);
         $this->analyse([__DIR__ . '/_data/create_object_classname_invalid.php'], [
-            ['Parameter #1 of class ErickSkrauch\PHPStan\Yii2\Tests\Yii\MyComponent constructor expects string, int given.', 6],
-            ['Parameter #2 of class ErickSkrauch\PHPStan\Yii2\Tests\Yii\MyComponent constructor expects int, string given.', 6],
-            ['Parameter $stringArg of class ErickSkrauch\PHPStan\Yii2\Tests\Yii\MyComponent constructor expects string, int given.', 7],
-            ['Parameter $intArg of class ErickSkrauch\PHPStan\Yii2\Tests\Yii\MyComponent constructor expects int, string given.', 7],
+            ['Parameter #1 $stringArg of class ErickSkrauch\PHPStan\Yii2\Tests\Yii\MyComponent constructor expects string, int given.', 6],
+            ['Parameter #2 $intArg of class ErickSkrauch\PHPStan\Yii2\Tests\Yii\MyComponent constructor expects int, string given.', 6],
+            ['Parameter #1 $stringArg of class ErickSkrauch\PHPStan\Yii2\Tests\Yii\MyComponent constructor expects string, int given.', 7],
+            ['Parameter #2 $intArg of class ErickSkrauch\PHPStan\Yii2\Tests\Yii\MyComponent constructor expects int, string given.', 7],
         ]);
         $this->analyse([__DIR__ . '/_data/create_object_array_invalid.php'], [
-            ['Parameter $stringArg of class ErickSkrauch\PHPStan\Yii2\Tests\Yii\MyComponent constructor expects string, int given.', 6],
-            ['Parameter $intArg of class ErickSkrauch\PHPStan\Yii2\Tests\Yii\MyComponent constructor expects int, string given.', 6],
+            ['Parameter #1 $stringArg of class ErickSkrauch\PHPStan\Yii2\Tests\Yii\MyComponent constructor expects string, int given.', 6],
+            ['Parameter #2 $intArg of class ErickSkrauch\PHPStan\Yii2\Tests\Yii\MyComponent constructor expects int, string given.', 6],
             ['Property ErickSkrauch\PHPStan\Yii2\Tests\Yii\MyComponent::$publicStringProp (string) does not accept int.', 6],
             [
                 'Property ErickSkrauch\PHPStan\Yii2\Tests\Yii\MyComponent::$publicArrayProp (array{key: string}) does not accept array{key: false}.',
@@ -46,15 +46,15 @@ public function testRule(): void {
             ['Property ErickSkrauch\PHPStan\Yii2\Tests\Yii\MyComponent::$readonlyFunctionProp is not writable.', 6],
         ]);
         $this->analyse([__DIR__ . '/_data/create_object_array_with_indexed_args.php'], [
-            ['Parameter #1 of class ErickSkrauch\PHPStan\Yii2\Tests\Yii\MyComponent constructor expects string, int given.', 6],
-            ['Parameter #2 of class ErickSkrauch\PHPStan\Yii2\Tests\Yii\MyComponent constructor expects int, string given.', 6],
+            ['Parameter #1 $stringArg of class ErickSkrauch\PHPStan\Yii2\Tests\Yii\MyComponent constructor expects string, int given.', 6],
+            ['Parameter #2 $intArg of class ErickSkrauch\PHPStan\Yii2\Tests\Yii\MyComponent constructor expects int, string given.', 6],
         ]);
         $this->analyse([__DIR__ . '/_data/create_object_array_with_missing_class.php'], [
             ['Configuration params array must have "class" or "__class" key', 4],
         ]);
         $this->analyse([__DIR__ . '/_data/create_object_array_union_type_invalid.php'], [
             ["The config for ErickSkrauch\PHPStan\Yii2\Tests\Yii\Article|ErickSkrauch\PHPStan\Yii2\Tests\Yii\Comment is wrong: the property field doesn't exists", 10],
-            ['Parameter #1 of class ErickSkrauch\PHPStan\Yii2\Tests\Yii\BarComponent constructor expects DateTimeInterface, string given.', 17],
+            ['Parameter #1 $dateTime of class ErickSkrauch\PHPStan\Yii2\Tests\Yii\BarComponent constructor expects DateTimeInterface, string given.', 17],
         ]);
     }