diff --git a/src/world/chunk.rs b/src/world/chunk.rs
index aa6c9a7..026276a 100644
--- a/src/world/chunk.rs
+++ b/src/world/chunk.rs
@@ -17,7 +17,7 @@ use crate::{
 pub enum Chunk<'a> {
 	/// Minecraft v1.18+ chunk with biome data moved into sections
 	V1_18 {
-		section_map: BTreeMap<SectionY, (SectionV1_13<'a>, BiomesV18<'a>, BlockLight<'a>)>,
+		section_map: BTreeMap<SectionY, (SectionV1_13<'a>, BiomesV1_18<'a>, BlockLight<'a>)>,
 	},
 	/// Minecraft v1.13+ chunk
 	///
@@ -45,7 +45,7 @@ pub enum Chunk<'a> {
 enum SectionIterInner<'a> {
 	/// Iterator over sections of [Chunk::V1_18]
 	V1_18 {
-		iter: btree_map::Iter<'a, SectionY, (SectionV1_13<'a>, BiomesV18<'a>, BlockLight<'a>)>,
+		iter: btree_map::Iter<'a, SectionY, (SectionV1_13<'a>, BiomesV1_18<'a>, BlockLight<'a>)>,
 	},
 	/// Iterator over sections of [Chunk::V1_13]
 	V1_13 {
@@ -104,7 +104,7 @@ impl<'a> Chunk<'a> {
 						block_types,
 					)
 					.with_context(|| format!("Failed to load section at Y={}", section.y))?,
-					BiomesV18::new(
+					BiomesV1_18::new(
 						section.biomes.data.as_deref(),
 						&section.biomes.palette,
 						biome_types,
diff --git a/src/world/section.rs b/src/world/section.rs
index c943e11..f960d16 100644
--- a/src/world/section.rs
+++ b/src/world/section.rs
@@ -175,13 +175,13 @@ impl<'a> Section for SectionV0<'a> {
 /// the biomes laid out as an array of indices into a palette, similar to the
 /// v1.13+ block data.
 #[derive(Debug)]
-pub struct BiomesV18<'a> {
+pub struct BiomesV1_18<'a> {
 	_biomes: Option<&'a [i64]>,
 	_palette: &'a [String],
 	_bits: u8,
 }
 
-impl<'a> BiomesV18<'a> {
+impl<'a> BiomesV1_18<'a> {
 	/// Constructs a new [BiomesV18] from deserialized data structures
 	pub fn new(
 		biomes: Option<&'a [i64]>,
@@ -198,7 +198,7 @@ impl<'a> BiomesV18<'a> {
 			}
 		}
 
-		Ok(BiomesV18 {
+		Ok(BiomesV1_18 {
 			_biomes: biomes,
 			_palette: palette,
 			_bits: bits,