1 files changed, 3 insertions, 1 deletions
diff --git a/src/chunk.hpp b/src/chunk.hpp
index 1f144ca7..59eb0061 100644
--- a/src/chunk.hpp
+++ b/src/chunk.hpp
@@ -27,10 +27,12 @@ enum class collision_type : unsigned char {
     none, object, scenery, geometry,
 };
 
+constexpr inline size_t collision_data_BITS = 60;
+
 struct collision_data final {
     uint64_t tag       : 2;
     uint64_t pass      : 2;
-    uint64_t data      : 60;
+    uint64_t data      : collision_data_BITS;
 };
 
 struct chunk final