diff --git a/core/src/main/java/de/bluecolored/bluemap/core/world/mca/chunk/Chunk_1_13.java b/core/src/main/java/de/bluecolored/bluemap/core/world/mca/chunk/Chunk_1_13.java
index 0644d9c1..098fd5b5 100644
--- a/core/src/main/java/de/bluecolored/bluemap/core/world/mca/chunk/Chunk_1_13.java
+++ b/core/src/main/java/de/bluecolored/bluemap/core/world/mca/chunk/Chunk_1_13.java
@@ -123,7 +123,7 @@ public Chunk_1_13(MCAWorld world, Data data) {
         }
 
         // load block-entities
-        this.blockEntities = new HashMap<>();
+        this.blockEntities = new HashMap<>(level.blockEntities.length);
         for (int i = 0; i < level.blockEntities.length; i++) {
             BlockEntity be = level.blockEntities[i];
             if (be == null) continue;
diff --git a/core/src/main/java/de/bluecolored/bluemap/core/world/mca/chunk/Chunk_1_16.java b/core/src/main/java/de/bluecolored/bluemap/core/world/mca/chunk/Chunk_1_16.java
index 506773bf..0ae67cb0 100644
--- a/core/src/main/java/de/bluecolored/bluemap/core/world/mca/chunk/Chunk_1_16.java
+++ b/core/src/main/java/de/bluecolored/bluemap/core/world/mca/chunk/Chunk_1_16.java
@@ -122,7 +122,7 @@ public Chunk_1_16(MCAWorld world, Data data) {
         }
 
         // load block-entities
-        this.blockEntities = new HashMap<>();
+        this.blockEntities = new HashMap<>(level.blockEntities.length);
         for (int i = 0; i < level.blockEntities.length; i++) {
             BlockEntity be = level.blockEntities[i];
             if (be == null) continue;
diff --git a/core/src/main/java/de/bluecolored/bluemap/core/world/mca/chunk/Chunk_1_18.java b/core/src/main/java/de/bluecolored/bluemap/core/world/mca/chunk/Chunk_1_18.java
index 25f0153e..b81167ca 100644
--- a/core/src/main/java/de/bluecolored/bluemap/core/world/mca/chunk/Chunk_1_18.java
+++ b/core/src/main/java/de/bluecolored/bluemap/core/world/mca/chunk/Chunk_1_18.java
@@ -119,7 +119,7 @@ public Chunk_1_18(MCAWorld world, Data data) {
         }
 
         // load block-entities
-        this.blockEntities = new HashMap<>();
+        this.blockEntities = new HashMap<>(data.blockEntities.length);
         for (int i = 0; i < data.blockEntities.length; i++) {
             BlockEntity be = data.blockEntities[i];
             if (be == null) continue;