diff --git a/src/PaymentServer/Main.hs b/src/PaymentServer/Main.hs
index cc3eb83782c141960f8f53914eca50d37b984aad..93f9ea8b9115aea0ddf786de6277fadf151793b0 100644
--- a/src/PaymentServer/Main.hs
+++ b/src/PaymentServer/Main.hs
@@ -92,7 +92,7 @@ sample = ServerConfig
   ( long "database"
     <> help "Which database to use: sqlite3 or memory"
     <> showDefault
-    <> value SQLite3 )
+    <> value Memory )
   <*> optional ( option str
   ( long "database-path"
     <> help "Path to on-disk database (sqlite3 only)"