diff --git a/tests/hollowing/openvdb_utils.cpp b/tests/hollowing/openvdb_utils.cpp
index 38e96a885d..62d3a14d70 100644
--- a/tests/hollowing/openvdb_utils.cpp
+++ b/tests/hollowing/openvdb_utils.cpp
@@ -1,5 +1,9 @@
+#define NOMINMAX
 #include "openvdb_utils.hpp"
 
+#include <openvdb/tools/MeshToVolume.h>
+#include <openvdb/tools/VolumeToMesh.h>
+
 namespace Slic3r {
 
 class TriangleMeshDataAdapter {
diff --git a/tests/hollowing/openvdb_utils.hpp b/tests/hollowing/openvdb_utils.hpp
index a2c02c0783..9854d924da 100644
--- a/tests/hollowing/openvdb_utils.hpp
+++ b/tests/hollowing/openvdb_utils.hpp
@@ -4,8 +4,6 @@
 #include <libslic3r/TriangleMesh.hpp>
 #include <libslic3r/SLA/SLABoilerPlate.hpp>
 #include <openvdb/openvdb.h>
-#include <openvdb/tools/MeshToVolume.h>
-#include <openvdb/tools/VolumeToMesh.h>
 
 namespace Slic3r {