diff --git a/src/db/DittoDB.ts b/src/db/DittoDB.ts
index e27f92f..8ebe5e6 100644
--- a/src/db/DittoDB.ts
+++ b/src/db/DittoDB.ts
@@ -12,6 +12,7 @@ export class DittoDB {
       case 'sqlite:':
         return DittoSQLite.getInstance();
       case 'postgres:':
+      case 'postgresql:':
         return DittoPostgres.getInstance();
       default:
         throw new Error('Unsupported database URL.');