X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=src%2Fflip_level_transformer.cpp;h=2d57f83e01d1102db19652846cb006aa352b966b;hb=519979665a5ce1b5aed256cefc1eacbf845953cd;hp=8cb5ff6d0a14b86503a2347d443f14537e0c0d7a;hpb=0d4be1a5fadf30244c41188f114f83c818ece9bc;p=supertux.git

diff --git a/src/flip_level_transformer.cpp b/src/flip_level_transformer.cpp
index 8cb5ff6d0..2d57f83e0 100644
--- a/src/flip_level_transformer.cpp
+++ b/src/flip_level_transformer.cpp
@@ -132,5 +132,5 @@ FlipLevelTransformer::transform_platform(float height, Platform& platform)
 void
 FlipLevelTransformer::transform_block(float height, Block& block)
 {
-  block.original_y = height - block.original_y - block.get_bbox().get_height();
+  if (block.original_y != -1) block.original_y = height - block.original_y - block.get_bbox().get_height();
 }