diff --git a/inc/class-sunrise.php b/inc/class-sunrise.php
index c7240dbbe..e81d5c776 100644
--- a/inc/class-sunrise.php
+++ b/inc/class-sunrise.php
@@ -137,9 +137,23 @@ public static function load_dependencies(): void {
 		require_once __DIR__ . '/class-settings.php';
 		require_once __DIR__ . '/limits/class-plugin-limits.php';
 		require_once __DIR__ . '/limits/class-theme-limits.php';
-		require_once __DIR__ . '/limits/class-theme-limits.php';
 		require_once __DIR__ . '/models/class-membership.php';
 
+		// Make sure we have all the necessary database classes loaded
+		// BerlinDB core classes
+		if (file_exists(__DIR__ . '/../vendor/berlindb/core/src/Database/Base.php')) {
+			require_once __DIR__ . '/../vendor/berlindb/core/src/Database/Base.php';
+			require_once __DIR__ . '/../vendor/berlindb/core/src/Database/Query.php';
+			require_once __DIR__ . '/../vendor/berlindb/core/src/Database/Row.php';
+			require_once __DIR__ . '/../vendor/berlindb/core/src/Database/Schema.php';
+			require_once __DIR__ . '/../vendor/berlindb/core/src/Database/Table.php';
+		}
+
+		// Site database classes
+		require_once __DIR__ . '/database/sites/class-sites-schema.php';
+		require_once __DIR__ . '/database/sites/class-site-query.php';
+		require_once __DIR__ . '/database/sites/class-site.php';
+
 	}
 
 	/**