diff --git a/panda/src/putil/config_util.cxx b/panda/src/putil/config_util.cxx
index eaf228fe75..c121711809 100644
--- a/panda/src/putil/config_util.cxx
+++ b/panda/src/putil/config_util.cxx
@@ -169,7 +169,9 @@ init_libputil() {
   FactoryParam::init_type();
   Namable::init_type();
   NodeCachedReferenceCount::init_type();
+#ifdef HAVE_PYTHON
   PythonCallbackObject::init_type();
+#endif
   QuadBitMaskNative::init_type();
   ReferenceCount::init_type();
   SparseArray::init_type();