diff --git a/src/libslic3r/utils.cpp b/src/libslic3r/utils.cpp
index 089927510a..ef34478f7b 100644
--- a/src/libslic3r/utils.cpp
+++ b/src/libslic3r/utils.cpp
@@ -6,6 +6,7 @@
 #include <cstdarg>
 #include <stdio.h>
 
+#include "Platform.hpp"
 #include "Time.hpp"
 
 #ifdef WIN32