diff --git a/panda/src/dgraph/dataGraphTraversal.h b/panda/src/dgraph/dataGraphTraversal.h
index 21a6e966ee..9e3f45f471 100644
--- a/panda/src/dgraph/dataGraphTraversal.h
+++ b/panda/src/dgraph/dataGraphTraversal.h
@@ -23,7 +23,9 @@
 #include <pandabase.h>
 
 class Node;
- 
+
+BEGIN_PUBLISH
+
 ////////////////////////////////////////////////////////////////////
 //     Function: traverse_data_graph
 //  Description: Initiates a traversal of the data graph given the
@@ -33,4 +35,6 @@ class Node;
 ////////////////////////////////////////////////////////////////////
 void EXPCL_PANDA traverse_data_graph(Node *root);
 
+END_PUBLISH
+
 #endif