diff --git a/include/akgl/tilemap.h b/include/akgl/tilemap.h
index 07ae5e3..79f6535 100644
--- a/include/akgl/tilemap.h
+++ b/include/akgl/tilemap.h
@@ -70,7 +70,7 @@
 #define AKGL_TILEMAP_LAYER_TYPE_IMAGE                 3
 
 /** @brief One object placed in a Tiled object layer. */
-typedef struct {
+typedef struct akgl_TilemapObject {
     float32_t x;                                        /**< Position in map pixels, from the Tiled object. Copied onto the actor it spawns. */
     float32_t y;                                        /**< Position in map pixels. */
     int gid;                                        /**< Global tile id, for a tile object. Not read by the loader. */
@@ -85,7 +85,7 @@ typedef struct {
 } akgl_TilemapObject;
 
 /** @brief One layer of a tilemap: a tile grid, an image, or a group of objects. */
-typedef struct {
+typedef struct akgl_TilemapLayer {
     short type;                                                     /**< Which of the `AKGL_TILEMAP_LAYER_TYPE_*` kinds this is; decides which of the members below mean anything. */
     float32_t opacity;                                                  /**< 0.0 to 1.0, from Tiled. Recorded but not yet applied at draw time. */
     bool visible;                                                   /**< From Tiled. Recorded but not yet consulted at draw time. */
@@ -100,7 +100,7 @@ typedef struct {
 } akgl_TilemapLayer;
 
 /** @brief One tileset: an image cut into a grid, plus the lookup table that finds a tile in it. */
-typedef struct {
+typedef struct akgl_Tileset {
     int columns;                                                /**< Tiles per row in the image. What turns a linear tile id into a row and column. */
     int firstgid;                                               /**< Global id of this tileset's first tile. Subtracting it from a map cell gives the local tile id. */
     char imagefilename[AKGL_TILEMAP_MAX_TILESET_FILENAME_SIZE]; /**< Resolved absolute path to the image, from the map file's directory. */
@@ -131,7 +131,7 @@ typedef struct {
 } akgl_Tileset;
 
 /** @brief Represents a complete tilemap and its optional physics backend. */
-typedef struct {
+typedef struct akgl_Tilemap {
     int tilewidth;                                          /**< Width of one map cell in pixels. Tiles from a tileset with a different tile size are not rescaled. */
     int tileheight;                                         /**< Height of one map cell in pixels. */
     int width;                                              /**< Map width in tiles. */