diff --git a/src/player.h b/src/player.h
index 01eb867..e4f4af2 100644
--- a/src/player.h
+++ b/src/player.h
@@ -14,6 +14,7 @@ typedef struct Player {
     Shape* shape;
 
     Sprite* sprite;
+    int is_grounded;
 } Player;
 
 extern void player_spawn(Player* self, Vector at);