diff --git a/src/bullet.rs b/src/bullet.rs
index c62e0b9..17ec230 100644
--- a/src/bullet.rs
+++ b/src/bullet.rs
@@ -605,7 +605,7 @@ impl PhysicalEntity for Bullet {
                         let mut npc = NPCMap::create_npc(4, &state.npc_table);
                         npc.cond.set_alive(true);
                         npc.direction = Direction::Left;
-                        npc.x = (x * 16 + 8) * 0x200;sta
+                        npc.x = (x * 16 + 8) * 0x200;
                         npc.y = (y * 16 + 8) * 0x200;
 
                         for _ in 0..4 {
diff --git a/src/main.rs b/src/main.rs
index 7a93c43..e903cbd 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,5 @@
+#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
+
 fn main() {
     doukutsu_rs::init().unwrap();
 }