diff --git a/Bookkeeper/cli/src/main/java/org/kunlab/scenamatica/bookkeeper/Main.java b/Bookkeeper/cli/src/main/java/org/kunlab/scenamatica/bookkeeper/Main.java
index e7f806b7d..70b57d726 100644
--- a/Bookkeeper/cli/src/main/java/org/kunlab/scenamatica/bookkeeper/Main.java
+++ b/Bookkeeper/cli/src/main/java/org/kunlab/scenamatica/bookkeeper/Main.java
@@ -22,6 +22,7 @@ public static void main(String[] args)
 
         BookkeeperCore core = new BookkeeperCore(config);
         core.start();
+        System.exit(0);
     }
 
     private static OptionParser createParser()