diff --git a/src/hll/PastelChime2.c b/src/hll/PastelChime2.c
index cce913e..48d1004 100644
--- a/src/hll/PastelChime2.c
+++ b/src/hll/PastelChime2.c
@@ -391,22 +391,27 @@ static bool PastelChime2_DungeonDataLoad(int id, struct page **dungeon)
 		return false;
 	}
 	int slot_m_dsd = find_struct_slot(&ain->structures[(*dungeon)->index], "m_dsd");
-	variable_set(*dungeon, slot_m_dsd, AIN_STRUCT, vm_int(heap_alloc_page(read_struct(&r, true))));
+	struct page *m_dsd = read_struct(&r, true);
+	variable_set(*dungeon, slot_m_dsd, AIN_STRUCT, vm_int(heap_alloc_page(m_dsd)));
+	struct page *map_size = heap_get_page(struct_get_var(m_dsd, "xyzMapSize")->i);
+	int size_x = struct_get_var(map_size, "x")->i;
+	int size_y = struct_get_var(map_size, "y")->i;
+	int size_z = struct_get_var(map_size, "z")->i;
 
 	// Read dungeon cells
 	int index = 0;
 	if (ctx->dgn)
 		dgn_free(ctx->dgn);
-	ctx->dgn = dgn_new(40, 3, 40);
+	ctx->dgn = dgn_new(size_x, size_y, size_z);
 
 	while (buffer_remaining(&r) > 0) {
 		int count = buffer_read_u8(&r) + 1;
 		uint8_t cell_buf[128];
 		buffer_read_bytes(&r, cell_buf, sizeof(cell_buf));
 		while (--count >= 0) {
-			int y = index / (40 * 40);
-			int z = (index / 40) % 40;
-			int x = index % 40;
+			int y = index / (size_x * size_z);
+			int z = (index / size_x) % size_z;
+			int x = index % size_x;
 			index++;
 			struct dgn_cell *cell = dgn_cell_at(ctx->dgn, x, y, z);
 			struct buffer cr;