diff --git a/src/main/java/ru/bclib/api/ComposterAPI.java b/src/main/java/ru/bclib/api/ComposterAPI.java
new file mode 100644
index 00000000..93858cc8
--- /dev/null
+++ b/src/main/java/ru/bclib/api/ComposterAPI.java
@@ -0,0 +1,22 @@
+package ru.bclib.api;
+
+import net.minecraft.world.item.Item;
+import net.minecraft.world.item.Items;
+import net.minecraft.world.level.block.Block;
+import ru.bclib.mixin.common.ComposterBlockAccessor;
+
+public class ComposterAPI {
+	public static Block allowCompost(float chance, Block block){
+		if (block!=null){
+			allowCompost(chance, block.asItem());
+		}
+		return block;
+	}
+	
+	public static Item allowCompost(float chance, Item item){
+		if (item!=null && item != Items.AIR) {
+			ComposterBlockAccessor.callAdd(chance, item);
+		}
+		return item;
+	}
+}
diff --git a/src/main/java/ru/bclib/mixin/common/AnvilMenuMixin.java b/src/main/java/ru/bclib/mixin/common/AnvilMenuMixin.java
index 5d5d9218..66bbbcc9 100644
--- a/src/main/java/ru/bclib/mixin/common/AnvilMenuMixin.java
+++ b/src/main/java/ru/bclib/mixin/common/AnvilMenuMixin.java
@@ -81,22 +81,23 @@ public abstract class AnvilMenuMixin extends ItemCombinerMenu implements AnvilSc
 			stack = be_currentRecipe.craft(inputSlots, player);
 			slotsChanged(inputSlots);
 			access.execute((world, blockPos) -> {
-				BlockState anvilState = world.getBlockState(blockPos);
-				BaseAnvilBlock anvil = (BaseAnvilBlock) anvilState.getBlock();
-				if (!player.getAbilities().instabuild && anvilState.is(BlockTags.ANVIL) && player.getRandom().nextDouble() < 0.1) {
-					BlockState damagedState = anvil.damageAnvilUse(anvilState, player.getRandom());
-					if (damagedState == null) {
-						world.removeBlock(blockPos, false);
-						world.levelEvent(1029, blockPos, 0);
-					}
-					else {
-						world.setBlock(blockPos, damagedState, 2);
+				final BlockState anvilState = world.getBlockState(blockPos);
+				final Block anvilBlock = anvilState.getBlock();
+				if (anvilBlock instanceof BaseAnvilBlock) {
+					final BaseAnvilBlock anvil = (BaseAnvilBlock) anvilBlock;
+					if (!player.getAbilities().instabuild && anvilState.is(BlockTags.ANVIL) && player.getRandom().nextDouble() < 0.1) {
+						BlockState damagedState = anvil.damageAnvilUse(anvilState, player.getRandom());
+						if (damagedState == null) {
+							world.removeBlock(blockPos, false);
+							world.levelEvent(1029, blockPos, 0);
+						} else {
+							world.setBlock(blockPos, damagedState, 2);
+							world.levelEvent(1030, blockPos, 0);
+						}
+					} else {
 						world.levelEvent(1030, blockPos, 0);
 					}
 				}
-				else {
-					world.levelEvent(1030, blockPos, 0);
-				}
 			});
 			info.cancel();
 			return;