diff --git a/panda/src/pgraph/lensNode.cxx b/panda/src/pgraph/lensNode.cxx
index 65c65e81d5..76b6af98ae 100644
--- a/panda/src/pgraph/lensNode.cxx
+++ b/panda/src/pgraph/lensNode.cxx
@@ -222,4 +222,6 @@ make_from_bam(const FactoryParams &params) {
 void LensNode::
 fillin(DatagramIterator &scan, BamReader *manager) {
   PandaNode::fillin(scan, manager);
+
+  manager->read_pointer(scan);
 }