diff --git a/xs/src/libslic3r/Fill/Fill.cpp b/xs/src/libslic3r/Fill/Fill.cpp
index ad6f28e159..e339967f38 100644
--- a/xs/src/libslic3r/Fill/Fill.cpp
+++ b/xs/src/libslic3r/Fill/Fill.cpp
@@ -1,5 +1,6 @@
 #include <assert.h>
 #include <stdio.h>
+#include <memory>
 
 #include "../ClipperUtils.hpp"
 #include "../Geometry.hpp"