diff --git a/launcher-builder/src/main/java/com/skcraft/launcher/builder/PackageBuilder.java b/launcher-builder/src/main/java/com/skcraft/launcher/builder/PackageBuilder.java
index 6b85f98..422248f 100644
--- a/launcher-builder/src/main/java/com/skcraft/launcher/builder/PackageBuilder.java
+++ b/launcher-builder/src/main/java/com/skcraft/launcher/builder/PackageBuilder.java
@@ -407,7 +407,7 @@ public class PackageBuilder {
         // Initialize
         SimpleLogFormatter.configureGlobalLogger();
         ObjectMapper mapper = new ObjectMapper();
-        mapper.setSerializationInclusion(JsonInclude.Include.NON_DEFAULT);
+        mapper.setSerializationInclusion(JsonInclude.Include.NON_ABSENT);
 
         Manifest manifest = new Manifest();
         manifest.setMinimumVersion(Manifest.MIN_PROTOCOL_VERSION);