diff --git a/src/main/java/org/embeddedt/modernfix/common/mixin/perf/release_protochunks/ChunkHolderMixin.java b/src/main/java/org/embeddedt/modernfix/common/mixin/perf/release_protochunks/ChunkHolderMixin.java
index b66ff4dc..56cc5efb 100644
--- a/src/main/java/org/embeddedt/modernfix/common/mixin/perf/release_protochunks/ChunkHolderMixin.java
+++ b/src/main/java/org/embeddedt/modernfix/common/mixin/perf/release_protochunks/ChunkHolderMixin.java
@@ -4,7 +4,6 @@ import com.mojang.datafixers.util.Either;
 import net.minecraft.server.level.ChunkHolder;
 import net.minecraft.server.level.ChunkLevel;
 import net.minecraft.server.level.ChunkMap;
-import net.minecraft.server.level.FullChunkStatus;
 import net.minecraft.world.level.ChunkPos;
 import net.minecraft.world.level.chunk.ChunkAccess;
 import org.embeddedt.modernfix.duck.release_protochunks.IClearableChunkHolder;
@@ -85,7 +84,7 @@ public class ChunkHolderMixin implements IClearableChunkHolder {
     }
 
     private void mfix$markAsNeedingProtoChunkDrop() {
-        if (!ChunkLevel.fullStatus(this.ticketLevel).isOrAfter(FullChunkStatus.FULL)
+        if (this.ticketLevel >= LOWEST_DROPPABLE_TICKET_LEVEL
                 && ChunkLevel.isLoaded(this.ticketLevel)) {
             // register for suspension check when chain completes
             var map = ((ISuspendedHolderTrackingChunkMap)this.playerProvider);
diff --git a/src/main/java/org/embeddedt/modernfix/common/mixin/perf/release_protochunks/ChunkMapMixin.java b/src/main/java/org/embeddedt/modernfix/common/mixin/perf/release_protochunks/ChunkMapMixin.java
index 916f7325..2ec12983 100644
--- a/src/main/java/org/embeddedt/modernfix/common/mixin/perf/release_protochunks/ChunkMapMixin.java
+++ b/src/main/java/org/embeddedt/modernfix/common/mixin/perf/release_protochunks/ChunkMapMixin.java
@@ -8,7 +8,6 @@ import it.unimi.dsi.fastutil.longs.Long2ObjectLinkedOpenHashMap;
 import net.minecraft.server.level.ChunkHolder;
 import net.minecraft.server.level.ChunkLevel;
 import net.minecraft.server.level.ChunkMap;
-import net.minecraft.server.level.FullChunkStatus;
 import net.minecraft.util.thread.BlockableEventLoop;
 import net.minecraft.world.level.ChunkPos;
 import net.minecraft.world.level.chunk.ChunkAccess;
@@ -68,7 +67,7 @@ public abstract class ChunkMapMixin implements ISuspendedHolderTrackingChunkMap
             long pos = entry.getLongKey();
             ChunkHolder holder = this.updatingChunkMap.get(pos);
             if (holder == null // already removed
-                || ChunkLevel.fullStatus(holder.getTicketLevel()).isOrAfter(FullChunkStatus.FULL) // promoted to FULL
+                || holder.getTicketLevel() < IClearableChunkHolder.LOWEST_DROPPABLE_TICKET_LEVEL // promoted to FULL or adjacent to FULL chunk
                 || !ChunkLevel.isLoaded(holder.getTicketLevel()) // is going to be dropped through normal code path
             ) {
                 dropIterator.remove();
diff --git a/src/main/java/org/embeddedt/modernfix/duck/release_protochunks/IClearableChunkHolder.java b/src/main/java/org/embeddedt/modernfix/duck/release_protochunks/IClearableChunkHolder.java
index b6910cf6..5ba3c06e 100644
--- a/src/main/java/org/embeddedt/modernfix/duck/release_protochunks/IClearableChunkHolder.java
+++ b/src/main/java/org/embeddedt/modernfix/duck/release_protochunks/IClearableChunkHolder.java
@@ -1,8 +1,16 @@
 package org.embeddedt.modernfix.duck.release_protochunks;
 
+import net.minecraft.server.level.ChunkLevel;
+import net.minecraft.server.level.FullChunkStatus;
+
 import java.util.concurrent.atomic.AtomicInteger;
 
 public interface IClearableChunkHolder {
+    /**
+     * We don't want to drop FULL chunks, or chunks immediately surrouding FULL. So + 2 is the minimum we can drop.
+     */
+    int LOWEST_DROPPABLE_TICKET_LEVEL = ChunkLevel.byStatus(FullChunkStatus.FULL) + 2;
+
     void mfix$resetProtoChunkFutures();
 
     AtomicInteger mfix$getGenerationRefCount();