diff --git a/src/main.rs b/src/main.rs
index 16f4e9c..48c4a30 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,4 @@
+#![windows_subsystem = "windows"]
 //! Simple calendar applications.
 mod app;
 mod ui;