diff --git a/source/blender/blenkernel/intern/bake_items_serialize.cc b/source/blender/blenkernel/intern/bake_items_serialize.cc
index 2db47a84c0d..ea5b57b3677 100644
--- a/source/blender/blenkernel/intern/bake_items_serialize.cc
+++ b/source/blender/blenkernel/intern/bake_items_serialize.cc
@@ -27,7 +27,7 @@
 #include <fmt/format.h>
 #include <sstream>
 
-#if WITH_OPENVDB
+#ifdef WITH_OPENVDB
 #  include <openvdb/io/Stream.h>
 #  include <openvdb/openvdb.h>