diff --git a/panda/src/pgraph/occluderNode.h b/panda/src/pgraph/occluderNode.h
index f22a56dcd1..b6ad4d7f7c 100644
--- a/panda/src/pgraph/occluderNode.h
+++ b/panda/src/pgraph/occluderNode.h
@@ -103,6 +103,6 @@ private:
   static TypeHandle _type_handle;
 };
 
-#include "OccluderNode.I"
+#include "occluderNode.I"
 
 #endif