diff --git a/src/node_snapshotable.cc b/src/node_snapshotable.cc
index 880c50663f9aa1..f0c71042fd5e57 100644
--- a/src/node_snapshotable.cc
+++ b/src/node_snapshotable.cc
@@ -313,7 +313,7 @@ int SnapshotBuilder::Generate(SnapshotData* out,
 
   // Must be out of HandleScope
   out->v8_snapshot_blob_data =
-      creator.CreateBlob(SnapshotCreator::FunctionCodeHandling::kClear);
+      creator.CreateBlob(SnapshotCreator::FunctionCodeHandling::kKeep);
 
   // We must be able to rehash the blob when we restore it or otherwise
   // the hash seed would be fixed by V8, introducing a vulnerability.