diff --git a/php/symfony/config/packages/doctrine.yaml b/php/symfony/config/packages/doctrine.yaml
new file mode 100644
index 0000000..c0045d8
--- /dev/null
+++ b/php/symfony/config/packages/doctrine.yaml
@@ -0,0 +1,5 @@
+doctrine:
+    dbal:
+        # add TinyIntType
+        types:
+            tinyint: App\Doctrine\DBAL\Types\TinyintType
diff --git a/php/symfony/src/Doctrine/DBAL/Types/TinyintType.php b/php/symfony/src/Doctrine/DBAL/Types/TinyintType.php
new file mode 100644
index 0000000..33f7562
--- /dev/null
+++ b/php/symfony/src/Doctrine/DBAL/Types/TinyintType.php
@@ -0,0 +1,42 @@
+<?php
+
+namespace App\Doctrine\DBAL\Types;
+
+use Doctrine\DBAL\Platforms\AbstractPlatform;
+use Doctrine\DBAL\Types\Type;
+
+class TinyintType extends Type {
+    private const string TINYINT = 'tinyint';
+
+    public function getName(): string {
+        return self::TINYINT;
+    }
+
+    public function getSQLDeclaration(array $column, AbstractPlatform $platform): string {
+        $declaration = "TINYINT(1)";
+
+        if(!empty($column['unsigned'])) {
+            $declaration .= " UNSIGNED";
+        }
+
+        if(!empty($column['autoincrement'])) {
+            $declaration .= ' AUTO_INCREMENT';
+        }
+
+        $declaration .= " COMMENT '(DC2Type:tinyint)'";
+
+        return $declaration;
+    }
+
+    public function convertToPHPValue($value, AbstractPlatform $platform): ?int {
+        return $value === null
+            ? null
+            : (int)$value;
+    }
+
+    public function convertToDatabaseValue($value, AbstractPlatform $platform): ?int {
+        return $value === null
+            ? null
+            : (int)$value;
+    }
+}
\ No newline at end of file