diff --git a/src/libslic3r/GCode.hpp b/src/libslic3r/GCode.hpp
index d994dd56a3f..03ba079fae1 100644
--- a/src/libslic3r/GCode.hpp
+++ b/src/libslic3r/GCode.hpp
@@ -29,6 +29,7 @@
 #include <map>
 #include <set>
 #include <string>
+#include <cfloat>
 
 namespace Slic3r {