diff --git a/core/src/main/java/net/momirealms/craftengine/core/world/chunk/serialization/DefaultSectionSerializer.java b/core/src/main/java/net/momirealms/craftengine/core/world/chunk/serialization/DefaultSectionSerializer.java
index f95c1bde6..e8947d094 100644
--- a/core/src/main/java/net/momirealms/craftengine/core/world/chunk/serialization/DefaultSectionSerializer.java
+++ b/core/src/main/java/net/momirealms/craftengine/core/world/chunk/serialization/DefaultSectionSerializer.java
@@ -31,7 +31,7 @@ public final class DefaultSectionSerializer {
         ReadableContainer.Serialized<ImmutableBlockState> serialized = section.statesContainer().serialize(null, PalettedContainer.PaletteProvider.CUSTOM_BLOCK_STATE);
         ListTag palettes = new ListTag();
         List<ImmutableBlockState> states = serialized.paletteEntries();
-        if (states.size() == 1 && states.get(0) == EmptyBlock.STATE) {
+        if (states.size() == 1 && states.getFirst() == EmptyBlock.STATE) {
             return null;
         }
         CompoundTag sectionNbt = new CompoundTag();
diff --git a/gradle.properties b/gradle.properties
index 49e177021..781879cd3 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -2,7 +2,7 @@ org.gradle.jvmargs=-Xmx1G
 
 # Project settings
 # Rule: [major update].[feature update].[bug fix]
-project_version=0.0.61
+project_version=0.0.61.2
 config_version=43
 lang_version=23
 project_group=net.momirealms