2 files changed, 6 insertions, 5 deletions
diff --git a/src/resources/map.c b/src/resources/map.c
index 3fbf12e..0719a14 100644
--- a/src/resources/map.c
+++ b/src/resources/map.c
@@ -119,7 +119,7 @@ map_get(const char *path)
 }
 
 void
-map_add_tileset(struct map *m, struct tileset *t, int firstgid)
+map_add_tileset(struct map *m, struct tileset *t, Uint32 firstgid)
 {
 	struct map_tileset *mts;
 
@@ -345,7 +345,8 @@ tmx_map_el_start(void *pv, const char *name, const char **attr)
 			xml_node_push(p, ts, tmx_tileset_el_start,
 					tmx_tilesetemb_end, NULL);
 		}
-		xml_get_int_attr(p, attr, "firstgid", &m->cur_ts_firstgid, 1);
+		xml_get_uint32_attr(p, attr, "firstgid", &m->cur_ts_firstgid,
+				1);
 	} else if (xml_check_tag(name, "layer")) {
 		ly_name = NULL;
 		xml_get_string_attr(p, attr, "name", &ly_name, 1);
diff --git a/src/resources/map.h b/src/resources/map.h
index 6d1d789..267eb30 100644
--- a/src/resources/map.h
+++ b/src/resources/map.h
@@ -32,7 +32,7 @@ struct tileset {
 };
 struct map_tileset {
 	struct tileset *tileset;
-	int firstgid;
+	Uint32 firstgid;
 	struct map_tileset *next;
 };
 struct layer {
@@ -92,12 +92,12 @@ struct map {
 	struct map_collision *collisions;
 	struct map_exit *map_exits_head;
 	struct map_exit *map_exits_tail;
-	int cur_ts_firstgid;
+	Uint32 cur_ts_firstgid;
 };
 
 struct map *map_get(const char *path);
 void map_free(struct map *map);
-void map_add_tileset(struct map *m, struct tileset *t, int firstgid);
+void map_add_tileset(struct map *m, struct tileset *t, Uint32 firstgid);
 struct layer *map_get_layer(struct map *m, const char *name);
 void map_add_exit(struct map *m, struct map_exit *e);