diff --git a/panda/src/pgraph/pgraph_composite1.cxx b/panda/src/pgraph/pgraph_composite1.cxx
index 56b7b2c33b..59f2456938 100644
--- a/panda/src/pgraph/pgraph_composite1.cxx
+++ b/panda/src/pgraph/pgraph_composite1.cxx
@@ -1,5 +1,6 @@
 #include "accumulatedAttribs.cxx"
 #include "ambientLight.cxx"
+#include "auxSceneData.cxx"
 #include "bamFile.cxx"
 #include "billboardEffect.cxx"
 #include "binCullHandler.cxx"