diff --git a/text-serializer-legacy/src/main/java/net/kyori/adventure/text/serializer/legacy/LegacyComponentSerializerImpl.java b/text-serializer-legacy/src/main/java/net/kyori/adventure/text/serializer/legacy/LegacyComponentSerializerImpl.java
index b4f8d74f1..0fa4d1249 100644
--- a/text-serializer-legacy/src/main/java/net/kyori/adventure/text/serializer/legacy/LegacyComponentSerializerImpl.java
+++ b/text-serializer-legacy/src/main/java/net/kyori/adventure/text/serializer/legacy/LegacyComponentSerializerImpl.java
@@ -498,6 +498,7 @@ static final class BuilderImpl implements Builder {
       this.urlReplacementConfig = serializer.urlReplacementConfig;
       this.hexColours = serializer.hexColours;
       this.useTerriblyStupidHexFormat = serializer.useTerriblyStupidHexFormat;
+      this.flattener = serializer.flattener;
     }
 
     @Override