diff --git a/src/Metadata/Driver/DocBlockDriver/DocBlockTypeResolver.php b/src/Metadata/Driver/DocBlockDriver/DocBlockTypeResolver.php
index d5fad5b64..056269828 100644
--- a/src/Metadata/Driver/DocBlockDriver/DocBlockTypeResolver.php
+++ b/src/Metadata/Driver/DocBlockDriver/DocBlockTypeResolver.php
@@ -7,6 +7,7 @@
 use PHPStan\PhpDocParser\Ast\PhpDoc\ParamTagValueNode;
 use PHPStan\PhpDocParser\Ast\PhpDoc\PhpDocTagNode;
 use PHPStan\PhpDocParser\Ast\PhpDoc\ReturnTagValueNode;
+use PHPStan\PhpDocParser\Ast\PhpDoc\TypeAliasTagValueNode;
 use PHPStan\PhpDocParser\Ast\PhpDoc\VarTagValueNode;
 use PHPStan\PhpDocParser\Ast\Type\ArrayTypeNode;
 use PHPStan\PhpDocParser\Ast\Type\GenericTypeNode;
@@ -408,15 +409,15 @@ private function getPhpstanType(\ReflectionClass $declaringClass, string $typeHi
         $self = $this;
 
         foreach ($phpDocNode->children as $node) {
-            if ($node instanceof PhpDocTagNode && '@phpstan-type' === $node->name) {
-                $phpstanType = (string) $node->value;
+            if ($node instanceof PhpDocTagNode && $node->value instanceof TypeAliasTagValueNode) {
+                $phpstanType = $node->value->__toString();
                 preg_match_all(self::PHPSTAN_ARRAY_SHAPE, $phpstanType, $foundPhpstanArray);
-                if (isset($foundPhpstanArray[1][0]) && $foundPhpstanArray[1][0] === $typeHint) {
+                if (isset($foundPhpstanArray[0][0]) && $node->value->alias === $typeHint) {
                     return 'array';
                 }
 
                 preg_match_all(self::PHPSTAN_ARRAY_TYPE, $phpstanType, $foundPhpstanArray);
-                if (isset($foundPhpstanArray[2][0]) && $foundPhpstanArray[1][0] === $typeHint) {
+                if (isset($foundPhpstanArray[0][0]) && $node->value->alias === $typeHint) {
                     $types = explode(',', $foundPhpstanArray[2][0]);
 
                     return sprintf('array<%s>', implode(