diff --git a/src/libslic3r/CSGMesh/PerformCSGMeshBooleans.hpp b/src/libslic3r/CSGMesh/PerformCSGMeshBooleans.hpp
index a9a48b48c..7e861cde5 100644
--- a/src/libslic3r/CSGMesh/PerformCSGMeshBooleans.hpp
+++ b/src/libslic3r/CSGMesh/PerformCSGMeshBooleans.hpp
@@ -4,6 +4,8 @@
 #include <stack>
 #include <vector>
 
+#include <boost/log/trivial.hpp>
+
 #include "CSGMesh.hpp"
 
 #include "libslic3r/Execution/ExecutionTBB.hpp"