diff --git a/assets/level0.tmx b/assets/level0.tmx
index 7642726..0671ef7 100644
--- a/assets/level0.tmx
+++ b/assets/level0.tmx
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<map version="1.8" tiledversion="1.8.0" orientation="orthogonal" renderorder="right-down" width="48" height="24" tilewidth="8" tileheight="8" infinite="0" nextlayerid="5" nextobjectid="1">
+<map version="1.10" tiledversion="1.10.1" orientation="orthogonal" renderorder="right-down" width="48" height="24" tilewidth="8" tileheight="8" infinite="0" nextlayerid="5" nextobjectid="1">
  <editorsettings>
   <export target="level0_walkable.json" format="json"/>
  </editorsettings>
@@ -63,26 +63,26 @@
  </layer>
  <layer id="3" name="Walkable" width="48" height="24">
   <data encoding="csv">
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diff --git a/src/player.h b/src/player.h
index 00f1bc5..9ac3510 100644
--- a/src/player.h
+++ b/src/player.h
@@ -36,7 +36,7 @@ typedef enum {
 /* Struct that define player parameters */
 typedef struct {
     int x, y; /* The position of the player */
-    unsigned char px, py; /* The position of the player on screen */
+    unsigned int px, py; /* The position of the player on screen */
     unsigned short int life; /* How many lives the player still has between 0
                               * and 100. */
     char speed; /* The speed of the movement of the player. */