diff --git a/src/Column/ColumnFactory.php b/src/Column/ColumnFactory.php
index dbbd45f6..8261f898 100644
--- a/src/Column/ColumnFactory.php
+++ b/src/Column/ColumnFactory.php
@@ -168,7 +168,7 @@ protected function getType(string $dbType, array $info = []): string
             return ColumnType::ARRAY;
         }
 
-        return static::TYPE_MAP[$dbType] ?? ColumnType::STRING;
+        return self::TYPE_MAP[$dbType] ?? ColumnType::STRING;
     }
 
     protected function normalizeNotNullDefaultValue(string $defaultValue, ColumnInterface $column): mixed