a

1 files changed, 1 insertions, 1 deletions

diff --git a/main/main.cpp b/main/main.cpp
index 4acdd471..9dc5ce4e 100644
--- a/main/main.cpp
+++ b/main/main.cpp
@@ -75,7 +75,7 @@ chunk app::make_test_chunk()
     chunk c;
     c.foreach_tile([&, this](tile& x, std::size_t k, local_coords pt) {
       const auto& atlas = pt.x > N/2 && pt.y >= N/2 ? floor2 : floor1;
-      x.ground_image = { atlas, (std::uint8_t)(k % atlas->size()) };
+      x.ground_image = { atlas, (std::uint8_t)(k % atlas->num_tiles().product()) };
     });
     constexpr auto K = N/2;
     c[{K,   K  }].wall_north = { wall1, 0 };