diff --git a/panda/src/gobj/geomVertexFormat.h b/panda/src/gobj/geomVertexFormat.h
index 11920987ae..e42f10103c 100644
--- a/panda/src/gobj/geomVertexFormat.h
+++ b/panda/src/gobj/geomVertexFormat.h
@@ -95,6 +95,8 @@ PUBLISHED:
   int get_array_with(const InternalName *name) const;
   const GeomVertexColumn *get_column(const InternalName *name) const;
   INLINE bool has_column(const InternalName *name) const;
+  
+  MAKE_SEQ(get_columns, get_num_columns, get_column);
 
   void remove_column(const InternalName *name);
   void pack_columns();