diff --git a/scripts/py_matter_idl/matter_idl/tests/outputs/several_clusters/java/SecondClusterFabricDescriptorStruct.kt b/scripts/py_matter_idl/matter_idl/tests/outputs/several_clusters/java/SecondClusterFabricDescriptorStruct.kt
index 06aab3dc43df94..0afa531389faa6 100644
--- a/scripts/py_matter_idl/matter_idl/tests/outputs/several_clusters/java/SecondClusterFabricDescriptorStruct.kt
+++ b/scripts/py_matter_idl/matter_idl/tests/outputs/several_clusters/java/SecondClusterFabricDescriptorStruct.kt
@@ -28,11 +28,11 @@ import java.util.Optional
 
 class SecondClusterFabricDescriptorStruct (
     val rootPublicKey: ByteArray,
-    val vendorID: Int,
-    val fabricID: Long,
-    val nodeID: Long,
+    val vendorID: UInt,
+    val fabricID: ULong,
+    val nodeID: ULong,
     val label: String,
-    val fabricIndex: Int) {
+    val fabricIndex: UInt) {
   override fun toString(): String  = buildString {
     append("SecondClusterFabricDescriptorStruct {\n")
     append("\trootPublicKey : $rootPublicKey\n")
@@ -68,11 +68,11 @@ class SecondClusterFabricDescriptorStruct (
     fun fromTlv(tlvTag: Tag, tlvReader: TlvReader) : SecondClusterFabricDescriptorStruct {
       tlvReader.enterStructure(tlvTag)
       val rootPublicKey = tlvReader.getByteArray(ContextSpecificTag(TAG_ROOT_PUBLIC_KEY))
-      val vendorID = tlvReader.getInt(ContextSpecificTag(TAG_VENDOR_I_D))
-      val fabricID = tlvReader.getLong(ContextSpecificTag(TAG_FABRIC_I_D))
-      val nodeID = tlvReader.getLong(ContextSpecificTag(TAG_NODE_I_D))
+      val vendorID = tlvReader.getUInt(ContextSpecificTag(TAG_VENDOR_I_D))
+      val fabricID = tlvReader.getULong(ContextSpecificTag(TAG_FABRIC_I_D))
+      val nodeID = tlvReader.getULong(ContextSpecificTag(TAG_NODE_I_D))
       val label = tlvReader.getString(ContextSpecificTag(TAG_LABEL))
-      val fabricIndex = tlvReader.getInt(ContextSpecificTag(TAG_FABRIC_INDEX))
+      val fabricIndex = tlvReader.getUInt(ContextSpecificTag(TAG_FABRIC_INDEX))
       
       tlvReader.exitContainer()