diff --git a/lib/Configuration.php b/lib/Configuration.php
index 3013443b..ddaaa051 100644
--- a/lib/Configuration.php
+++ b/lib/Configuration.php
@@ -220,9 +220,9 @@ final class Configuration
         }
     }
 
-    public static function getConfig(string $section, string $key)
+    public static function getConfig(string $section, string $key, $default = null)
     {
-        return self::$config[strtolower($section)][strtolower($key)] ?? null;
+        return self::$config[strtolower($section)][strtolower($key)] ?? $default;
     }
 
     private static function setConfig(string $section, string $key, $value): void
diff --git a/tests/ConfigurationTest.php b/tests/ConfigurationTest.php
index 4dcbfb8b..c2eca95c 100644
--- a/tests/ConfigurationTest.php
+++ b/tests/ConfigurationTest.php
@@ -14,6 +14,7 @@ final class ConfigurationTest extends TestCase
         Configuration::loadConfiguration();
         $this->assertSame(null, Configuration::getConfig('foobar', ''));
         $this->assertSame(null, Configuration::getConfig('foo', 'bar'));
+        $this->assertSame('baz', Configuration::getConfig('foo', 'bar', 'baz'));
         $this->assertSame(null, Configuration::getConfig('cache', ''));
         $this->assertSame('UTC', Configuration::getConfig('system', 'timezone'));
     }