diff --git a/src/chip_data/hei_chip_data.cpp b/src/chip_data/hei_chip_data.cpp
index 32a24f4..8b73696 100644
--- a/src/chip_data/hei_chip_data.cpp
+++ b/src/chip_data/hei_chip_data.cpp
@@ -362,10 +362,14 @@
 
 void __readRoot(ChipDataStream& io_stream, IsolationChip::Ptr& io_isoChip)
 {
+    // Read the root node metadata.
     AttentionType_t attnType;
     NodeId_t id;
     Instance_t inst;
     io_stream >> attnType >> id >> inst;
+
+    // Add the root node.
+    io_isoChip->addRootNode(attnType, io_isoChip->getIsolationNode({id, inst}));
 }
 
 //------------------------------------------------------------------------------